【英语】英语被动语态练习题及答案含解析

初二英语被动语态转换练习题30题含答案解析1.The classroom is cleaned by us every day.（改为主动语态）We clean the classroom every day.答案解析：本题考查一般现在时的被动语态转换为主动语态。

被动语态的结构是be+过去分词，主动语态的结构是主语+谓语+宾语。

在这个句子中，is cleaned 是被动语态，cleaned 的动作执行者是us，变为主动语态时，us 作主语，clean 作谓语，the classroom 作宾语。

2.The book was written by him last year.（改为主动语态）He wrote the book last year.答案解析：本题考查一般过去时的被动语态转换为主动语态。

被动语态的结构是was/were+过去分词，主动语态的结构是主语+谓语+宾语。

在这个句子中，was written 是被动语态，written 的动作执行者是him，变为主动语态时，him 作主语，wrote 作谓语，the book 作宾语。

3.The flowers are watered by her every morning.（改为否定句）The flowers aren't watered by her every morning.答案解析：本题考查一般现在时的被动语态的否定句。

被动语态的否定句是在be 动词后加not。

在这个句子中，are watered 是被动语态，在are 后加not 变为aren't watered。

4.The letter was sent by Tom yesterday.（改为一般疑问句）Was the letter sent by Tom yesterday?答案解析：本题考查一般过去时的被动语态的一般疑问句。

被动语态的一般疑问句是将be 动词提前。

高考英语被动语态练习题40题(带答案)1.The blackboard is cleaned by the students every day.A.is cleanedB.are cleanedC.was cleanedD.were cleaned答案解析：A。

本题考查一般现在时的被动语态。

主语是the blackboard 单数，且时间状语是every day，要用一般现在时的被动语态is cleaned。

B 选项are cleaned 是复数形式，主语不对应；C 选项was cleaned 是一般过去时；D 选项were cleaned 也是一般过去时且复数形式。

2.The books in the library are borrowed by many students.A.are borrowedB.is borrowedC.were borrowedD.was borrowed答案解析：A。

主语the books 是复数，时间状语无明显过去时态标志，所以用一般现在时的被动语态are borrowed。

B 选项is borrowed 是单数形式；C 选项were borrowed 是一般过去时复数形式；D 选项was borrowed 是一般过去时单数形式。

3.The classroom was cleaned by the students yesterday.A.was cleanedB.is cleanedC.are cleanedD.were cleaned答案解析：A。

时间状语yesterday 表明是一般过去时，主语the classroom 是单数，所以用was cleaned。

B 选项is cleaned 是一般现在时；C 选项are cleaned 是一般现在时复数形式；D 选项were cleaned 是一般过去时复数形式。

4.The sports meeting is held every year.A.is heldB.are heldC.was heldD.were held答案解析：A。

初三英语被动语态练习题50题含答案解析1.The blackboard is cleaned by the students every day.A.is cleanB.cleanedC.is cleanedD.cleans答案解析：C。

A 选项is clean 是系表结构，不是被动语态；B 选项cleaned 缺少be 动词；D 选项cleans 是主动语态。

C 选项is cleaned 是一般现在时的被动语态，符合题意。

2.The classroom is swept by us after school.A.is sweepB.sweepsC.is sweptD.swept答案解析：C。

A 选项is sweep 错误表达；B 选项sweeps 是主动语态；D 选项swept 缺少be 动词。

C 选项is swept 是一般现在时的被动语态，正确。

3.The homework is done by Tom every night.A.is doB.doesC.is doneD.done答案解析：C。

A 选项is do 错误表达；B 选项does 是主动语态；D 选项done 缺少be 动词。

C 选项is done 是一般现在时的被动语态。

4.The books are put on the shelf by her.A.are putB.putsC.is putD.put答案解析：A。

B 选项puts 是主动语态；C 选项is put 与主语books 不对应；D 选项put 缺少be 动词。

A 选项are put 是一般现在时的被动语态。

5.The dishes are washed by my mother after dinner.A.are washB.washesC.is washedD.washed答案解析：A 选项are wash 错误表达；B 选项washes 是主动语态；C 选项is washed 与主语dishes 不对应；D 选项washed 缺少be 动词。

【英语】英语动词被动语态题20套(带答案)及解析一、动词被动语态1．Because it every day, the window is very clean.A. cleanedB. will cleanC. was cleanedD. is cleaned【答案】 D【解析】【分析】句意:因为窗户每夭打扫，所以非常干净。

A.一般过去时态;B.一般将来时态;C.一般过去时被动语态;D.一般现在时被动语态。

每夭打扫窗户，表示经常性习惯性的动作，用一般现在时态;主语it（指the window）是谓语动词clean的承受者，用被动语态，故选D。

2．Some people think trees____ on Tree Planting Day only.A. should plantB. should be plantedC. should be plantD. should be planting【答案】 B【解析】【分析】句意：一些人们认为种树应该只在植树节。

其中trees和plant是被动关系，且句中有情态动词should，则此处应用含情态动词的被动语态should be done，故选B。

【点评】此题考查被动语态。

注意含有情态动词的被动语态的结构。

3．His car ____ five years ago, but it looks quite new.A. buysB. boughtC. is boughtD. was bought【答案】 D【解析】【分析】句意：他的车是五年前买的，但看起来很新。

his car与动词buy由动宾关系，且his car做主语；由five years ago提示，谓语动词要用一般过去时的被动语态，故选D。

【点评】考查一般过去时的被动语态的基本结构及用法。

4．Hangzhou ________ as the City of Silk. Tourists like shopping for silk there.A. knowsB. is knownC. was knownD. will be known【答案】 B【解析】【分析】句意：杭州作为丝绸之都被被人们所熟知，人们喜欢在那里购买丝绸。

人教版高中英语被动语态练习题20题【含答案解析】1.The classroom is cleaned by the students every day.A.is cleanedB.cleanedC.cleansD.are cleaned答案解析：A。

本题考查一般现在时的被动语态。

主语“classroom”是单数，且与动词“clean”是被动关系，一般现在时被动语态结构为“am/is/are + 过去分词”，所以选A。

B 选项缺少be 动词；C 选项是主动语态；D 选项be 动词与主语不一致。

2.The old bridge was rebuilt last year.A.was rebuiltB.rebuiltC.is rebuiltD.rebuilds答案解析：A。

本题考查一般过去时的被动语态。

主语“bridge”与动词“rebuild”是被动关系，且时间状语是“last year”，一般过去时被动语态结构为“was/were + 过去分词”，所以选A。

B 选项缺少be 动词；C 选项是一般现在时被动语态；D 选项是主动语态。

3.The books are often borrowed by the students.A.are often borrowedB.often borrowedC.borrows答案解析：A。

本题考查一般现在时的被动语态。

主语“books”是复数，且与动词“borrow”是被动关系，一般现在时被动语态结构为“am/is/are + 过去分词”，所以选A。

B 选项缺少be 动词；C 选项和 D 选项是主动语态。

4.The sports meeting was held in our school last week.A.was heldB.heldC.is heldD.holds答案解析：A。

本题考查一般过去时的被动语态。

主语“sports meeting”与动词“hold”是被动关系，且时间状语是“last week”，一般过去时被动语态结构为“was/were + 过去分词”，所以选A。

高中英语被动语态练习题20题含答案解析1.The classroom is cleaned by the students every day.A.is cleanedB.cleanedC.was cleanedD.will be cleaned答案解析：A。

本题考查一般现在时的被动语态。

句子中有时间状语every day，表示经常性的动作，所以要用一般现在时。

被动语态的结构是be+过去分词，主语是classroom，单数，所以be 动词用is，clean 的过去分词是cleaned。

B 选项缺少be 动词；C 选项是一般过去时的被动语态；D 选项是一般将来时的被动语态。

2.The book was written by a famous author.A.writtenB.is writtenC.was writingD.writes答案解析：A。

本题考查一般过去时的被动语态。

句子中有过去的时间状语，所以要用一般过去时。

被动语态的结构是be+过去分词，write 的过去分词是written。

B 选项是一般现在时的被动语态；C 选项was writing 是主动语态的过去进行时；D 选项writes 是主动语态的一般现在时。

3.The letter is being written by Tom now.A.is being writtenB.was writtenC.will be writtenD.writes答案解析：A。

本题考查现在进行时的被动语态。

句子中有时间状语now，表示正在进行的动作，所以要用现在进行时。

被动语态的结构是be being+过去分词，write 的过去分词是written。

B 选项是一般过去时的被动语态；C 选项是一般将来时的被动语态；D 选项writes 是主动语态的一般现在时。

4.The house was built in 1990.A.was builtB.builtC.is buildingD.builds答案解析：A。

【英语】英语动词被动语态题20套(带答案)及解析一、动词被动语态1．Everybody _________ deeply after they heard the story.A. movesB. movedC. is movedD. was moved【答案】D【解析】【分析】句意：每个人在听了这个故事之后，都被深深地感动了。

根据after they heard the story可知，这里用的是一般过去时，所以主句的时态也用一般过去时，故排除A 和C；everyone与move之间是被动关系，故选D。

2．The students of Class One_________ how to do the experiment in class yesterday．A. taughtB. was taughtC. were taught【答案】 C【解析】【分析】句意是：在昨天的课堂上学生们被教了怎样做实验。

根据句意可知用被动语态，主语students 是名词复数形式，be 动词用 were，故选C。

【点评】考查一般过去时的被动语态的用法。

3．He has ordered a watch on line for his father and it _______ to him before Father's Day.A. sendB. will be sentC. was sentD. sent 【答案】 B【解析】【分析】句意：他在网上为父亲订了一块表。

将在父亲节前寄给他。

It指代的是“表”，作主语，与谓语动词send是逻辑上的动宾关系，it是其承受者，用被动语态；从时态上看，表将在父亲节前寄给他，用一般将来时态，故选B。

4．More chances _____ for students to learn from each other if working in groups.A. provideB. are providedC. providedD. will provide【答案】 B【解析】【分析】句意：如果以小组学习，将给学生提供更多的彼此学习的机会。

【含答案解析】人教版九年级英语被动语态特殊用法练习题40题1. In many modern movies, special effects ______ (create) by computers.A. are createdB. createC. is createdD. created答案：A。

解析：本题考查一般现在时的被动语态。

句子的主语“special effects”是复数形式，根据被动语态的结构“be+过去分词”，这里需要一个复数形式的be 动词，所以C选项“is created”（is为单数形式）错误。

B选项“create”是主动形式，不符合句子的被动语境。

D选项“created”缺少be动词，不能构成被动语态。

A 选项“are created”符合一般现在时的被动语态结构，且be动词为复数形式，正确。

2. In our school library, new books ______ (buy) every year.A. are boughtB. buyC. is boughtD. bought答案：A。

解析：这里考查一般现在时的被动语态。

主语“new books”是复数，按照被动语态的构成“be+过去分词”，be动词要用复数形式。

B选项“buy”是主动形式，不符合题意。

C选项“is bought”中is为单数形式，与主语复数不匹配。

D 选项“bought”没有be动词，不能构成被动语态。

A选项“are bought”正确。

3. English ______ (speak) as a second language in many countries.A. are spokenB. is spokenC. speakD. spoken答案：B。

解析：本题是关于一般现在时的被动语态。

主语“English”是不可数名词，视为单数，所以be动词要用“is”。

A选项“are spoken”中are是复数形式，不正确。

高二英语被动语态练习题40题含答案解析1.The classroom is cleaned by the students every day.A.is cleanedB.are cleanedC.cleanD.cleans答案解析：A。

本题考查一般现在时的被动语态。

主语“the classroom”是单数，所以be 动词用is，clean 的过去分词是cleaned。

B 选项are cleaned 用于主语是复数的情况；C 选项clean 是动词原形，不是被动语态；D 选项cleans 是主动语态的第三人称单数形式。

2.My bike was repaired by my father yesterday.A.was repairedB.is repairedC.repairedD.repairs答案解析：A。

本题考查一般过去时的被动语态。

“yesterday”表明是过去的时间，主语“my bike”是单数，所以be 动词用was，repair 的过去分词是repaired。

B 选项is repaired 是一般现在时的被动语态；C 选项repaired 是动词过去式，不是被动语态；D 选项repairs 是主动语态的第三人称单数形式。

3.The books are borrowed by many students in our school.A.are borrowedB.is borrowedC.borrowD.borrows答案解析：A。

本题考查一般现在时的被动语态。

主语“the books”是复数，所以be 动词用are，borrow 的过去分词是borrowed。

B 选项is borrowed 用于主语是单数的情况；C 选项borrow 是动词原形，不是被动语态；D 选项borrows 是主动语态的第三人称单数形式。

4.The letter was written by Tom last week.A.was writtenB.is writtenC.writeD.writes答案解析：A。

中考英语被动语态练习题50题含答案解析1.The classroom is cleaned by us every day.A.is cleaned by usB.is cleaned by themC.is cleaning by usD.is cleaning by them答案解析：A。

一般现在时的被动语态构成是be+过去分词。

本句主语是The classroom，是被打扫的对象，所以用被动语态。

by 后面接动作的执行者，us 符合语境。

B 选项them 不符合实际情况。

C 和D 选项是现在进行时，不符合题干要求。

2.The homework is done by me every night.A.is done by meB.is done by himC.is doing by meD.is doing by him答案解析：A。

理由同第一题。

B 选项him 不一定是作业的完成者。

C 和D 选项现在进行时错误。

3.The dishes are washed by my mother after dinner.A.are washed by my motherB.are washed by my fatherC.are washing by my motherD.are washing by my father答案解析：A。

被动语态正确。

B 选项不一定是父亲洗。

C 和D 现在进行时错误。

4.The clothes are folded by me on weekends.A.are folded by meB.are folded by my sisterC.are folding by meD.are folding by my sister答案解析：A。

被动语态且符合语境。

B 选项不一定是妹妹折。

C 和D 现在进行时错误。

5.The bed is made by me in the morning.A.is made by meB.is made by my brotherC.is making by meD.is making by my brother答案解析：A。

人教版高一英语被动语态练习题50题含答案解析1. In our school, the classroom ______ (clean) every day.A. is cleanedB. are cleanedC. cleansD. clean答案解析：A。

本题考查一般现在时的被动语态。

在一般现在时的被动语态结构中，be动词（am/is/are）+动词的过去分词。

句子的主语是the classroom，为单数形式，所以be动词用is，clean的过去分词是cleaned。

B选项中are用于复数主语，而这里主语是单数，所以错误。

C选项cleans是一般现在时的主动形式，不符合句子的被动语境。

D选项clean是动词原形，也不符合被动语态的结构。

2. The popular song ______ (play) on the radio very often.A. is playedB. are playedC. playsD. played答案解析：A。

一般现在时被动语态的结构是be+过去分词。

句子主语the popular song是单数，所以be动词用is，play的过去分词是played。

B选项are用于复数主语，此处主语为单数，错误。

C选项plays是主动形式，不符合句子的被动含义。

D选项played是过去式或者过去分词形式，但缺少be动词，不能构成被动语态。

3. The books in the library ______ (arrange) in alphabetical order.A. is arrangedB. are arrangedC. arrangesD. arranged答案解析：B。

一般现在时被动语态，主语the books是复数，be 动词用are，arrange的过去分词是arranged。

A选项is用于单数主语，这里主语是复数，错误。

C选项arranges是主动形式，不符合要求。

初三英语被动语态练习题30题带答案解析1.The classroom is cleaned by us every day.（改为一般疑问句）Is the classroom cleaned by you every day?答案解析：一般现在时的被动语态变一般疑问句，把be 动词提前即可。

此句中be 动词是is，所以把is 提前到句首。

2.My bike was repaired by my father yesterday.（对画线部分提问）Who repaired your bike yesterday?答案解析：一般过去时的被动语态对动作执行者提问用who。

此句中动作执行者是my father，所以用who 提问。

3.The book is written by him.（改为否定句）The book isn't written by him.答案解析：一般现在时的被动语态变否定句，在be 动词后加not。

此句中be 动词是is，所以在is 后加not。

4.The letter was sent by her last week.（改为一般疑问句，并作肯定回答）Was the letter sent by her last week? Yes, it was.答案解析：一般过去时的被动语态变一般疑问句，把be 动词提前即可。

此句中be 动词是was，所以把was 提前到句首。

肯定回答用Yes, 主语+be 动词。

此句主语是the letter，be 动词是was。

5.The flowers are watered by him every morning.（（对画线部分提问）How often are the flowers watered by him?答案解析：对频率提问用how often。

此句中every morning 表示频率，所以用how often 提问。

6.The house was built by them last year.（改为否定句）The house wasn't built by them last year.答案解析：一般过去时的被动语态变否定句，在be 动词后加not。

（英语）高考英语被动语态题20套(带答案)含解析一、单项选择被动语态1．Due to the country’s growing rate of urbanization, China’s migrant population _______ to be over 200 million by 2020.A．predicts B．is predicted C．will have been predicted D．will be predicted【答案】B【解析】考查时态和被动语态。

句意：由于中国城市化的速度不断提高，到2020年，中国的流动人口预计将超过2亿。

结合句意可知，用一般现在时态的被动语态，句子主语是population，单数第三人称形式，故答案为B。

该题容易误选D项，是现在预计，而不是将来预计，故用现在时态。

2． A human case of H7N9 was reported in 2014 when a woman______ to be infected with the bird flu virus.A．confirmed B．had been confirmedC．was confirmed D．have confirmed【答案】C【解析】试题分析：句意：一例人感染H7N9病毒的报告发生在2014年，当时，一名女性被确诊感染了禽流感。

Confirm证实，确认，根据was reported in 2014可知，是过去的事情，先行词是2014，定语从句也用一般过去时，排除B、D；woman与confirm是动宾关系，即她是被确诊的，故选C。

考点：考查时态与被动语态3．Don’t worry. The hard work that you d o now _____ later in life.A．will be repaid B．was being repaidC．has been repaid D．was repaid【答案】A【解析】试题解析：考查时态辨析。

人教版高考英语被动语态练习题30题含答案解析1.The classroom is cleaned by the students every day.A.is cleaningB.cleansC.is cleanedD.cleaned答案解析：C。

A 选项“is cleaning”是现在进行时主动语态；B 选项“cleans”是一般现在时主动语态；D 选项“cleaned”缺少be 动词，不能构成被动语态。

C 选项“is cleaned”是一般现在时被动语态，符合题意。

本题考查一般现在时被动语态的构成be+过去分词。

2.The school sports meeting was held last week.A.is heldB.holdsC.was heldD.held答案解析：C。

A 选项“is held”是一般现在时被动语态；B 选项“holds”是一般现在时主动语态；D 选项“held”缺少be 动词，不能构成被动语态。

C 选项“was held”是一般过去时被动语态，符合题意。

本题考查一般过去时被动语态的构成was/were+过去分词。

3.The books in the library are borrowed by many students.A.are borrowingB.borrowC.are borrowedD.borrowed答案解析：C。

A 选项“are borrowing”是现在进行时主动语态；B 选项“borrow”是一般现在时主动语态；D 选项“borrowed”缺少be 动词，不能构成被动语态。

C 选项“are borrowed”是一般现在时被动语态，符合题意。

本题考查一般现在时被动语态的构成be+过去分词。

4.The old bridge was repaired by the workers last month.A.is repairedB.repairsC.was repairedD.repaired答案解析：C。

九年级英语被动语态特殊用法练习题40题含答案解析1.The blackboard is cleaned by the students every day.（改为一般疑问句）Is the blackboard cleaned by the students every day?答案解析：一般现在时的被动语态变为一般疑问句时，把be 动词提前。

本句中be 动词是is，将其提前到句首即可。

2.The classroom is always kept clean by us.（对画线部分提问）Who keeps the classroom clean?答案解析：一般现在时的被动语态，对动作执行者提问用by 后面的人称，本句中by us 表示动作执行者是我们，提问时用who。

3.The flowers are watered by my mother every morning.（改为否定句）The flowers are not watered by my mother every morning.答案解析：一般现在时的被动语态变为否定句时，在be 动词后加not。

4.The books are put on the shelf by Tom.（对画线部分提问）Where are the books put by Tom?答案解析：对地点提问用where，本句中on the shelf 表示地点，所以用where 提问，be 动词are 提前。

5.The homework is done by Lily after school.（改为一般疑问句，并作肯定回答）Is the homework done by Lily after school? Yes, it is.答案解析：一般现在时的被动语态变为一般疑问句时，把be 动词提前。

肯定回答用yes，主语+be 动词。

6.The room is cleaned by my sister once a week.（（对画线部分提问）How often is the room cleaned by your sister?答案解析：对频率提问用how often，本句中once a week 表示频率，所以用how often 提问，be 动词is 提前。

初三英语被动语态练习题30题含答案解析1.The classroom is cleaned by us every day.（变为一般疑问句）Is the classroom cleaned by you every day?答案解析：一般现在时的被动语态变一般疑问句，把be 动词提前。

此句中be 动词是is，所以把is 提前，后面照抄，us 变为you。

2.My homework was finished by me yesterday.（对划线部分提问）When was your homework finished by you?答案解析：一般过去时的被动语态对时间提问用when。

此句中be 动词是was，my 变为your，me 变为you。

3.The books are put on the shelf by him.（变为否定句）The books are not put on the shelf by him.答案解析：一般现在时的被动语态变否定句，在be 动词后加not。

此句中be 动词是are，在are 后加not。

4.The letter was written by her last week.（变为一般疑问句，并作肯定回答）Was the letter written by her last week? Yes, it was.答案解析：一般过去时的被动语态变一般疑问句，把be 动词提前。

此句中be 动词是was，所以把was 提前，后面照抄。

肯定回答用Yes, it was.，it 指代the letter。

5.The cake is made by my mother every Sunday.（（对划线部分提问）Who makes the cake every Sunday?答案解析：一般现在时的被动语态对动作执行者提问用by 后面的人称，此句中by 后面是my mother，对人提问用who。

高中英语被动语态练习题50题含答案解析1.The classroom is cleaned by the students every day.A.is cleaningB.cleansC.is cleanedD.cleaned答案解析：C。

一般现在时的被动语态构成是am/is/are + 过去分词。

A 选项是现在进行时；B 选项是主动语态的一般现在时；D 选项缺少be 动词。

2.The homework was done by Tom yesterday.A.is doneB.doesC.was doneD.did答案解析：C。

一般过去时的被动语态构成是was/were + 过去分词。

A 选项是一般现在时的被动语态；B 选项是主动语态的一般现在时；D 选项是主动语态的一般过去时。

3.The books are put on the shelf by the librarian.A.putB.are puttingC.are putD.puts答案解析：C。

一般现在时的被动语态构成是am/is/are + 过去分词。

A 选项是主动语态的一般现在时；B 选项是现在进行时；D 选项是主动语态的一般现在时，且主语是复数，动词要用原形。

4.The letter was written by Mary last week.A.is writtenB.writesC.was writtenD.wrote答案解析：C。

一般过去时的被动语态构成是was/were + 过去分词。

A 选项是一般现在时的被动语态；B 选项是主动语态的一般现在时；D 选项是主动语态的一般过去时。

5.The cake is made by my mother every Sunday.A.makeB.is makingC.is madeD.makes答案解析：C。

一般现在时的被动语态构成是am/is/are + 过去分词。

A 选项是主动语态的一般现在时；B 选项是现在进行时；D 选项是主动语态的一般现在时。

【英语】高三英语被动语态题20 套( 带答案 ) 及分析一、单项选择被动语态1．105． The International Olympic Committee announces here that an in crease of 15 eventsto the program of the 2020 Tokyo Olympic Games.A． will make B． will be madeC． has been made D． had made【答案】 B【分析】观察动词时态和语态。

句意：国际奥委会宣告在2020年东京奥运会大将增添15个竞赛项目。

从年份2020 能够看出是未来的动作，项目和增添是被动关系，故要用未来时的被动，应选B。

2．I intend to buy that kind of clothes because I ____ that they _____ well.A． have told; wash B．have been told; washC． was told; washed D． have been told; are washed【答案】 B【分析】观察时态。

依据题意，我想买那种衣服，由于有人告诉过我他们洗起来不错。

可知从句内容为过去已经达成的动作，故用过去达成时态。

他们洗起来不错则是一个客观存在的事实，过去存在，此刻及未来都会存在，故用一般此刻时态。

选B。

3．— Can we play basketball in the school gym?— No, it ______ during the summer holidays.A． is repaired B． is being repairedC． was repaired D． has been repaired【答案】 B【分析】【详解】观察时态语态。

句意：--我们能够在学校操场上打篮球吗？--不可以，暑期时期操场正在被修葺。

人教版中考英语被动语态综合练习题50 道1.The classroom ______ by the students every day.A.is cleanedB.cleanedC.cleansD.cleaning答案解析：A。

本题考查一般现在时的被动语态。

主语“the classroom”是被打扫的对象，要用被动语态be+过去分词的形式。

B 选项缺少be 动词；C 选项是主动语态的形式；D 选项缺少be 动词且不是正确的动词形式。

2.Our homework ______ by our teacher every morning.A.is checkedB.checksC.checkedD.checking答案解析：A。

主语“our homework”是被检查的对象，用被动语态。

B 选项是主动语态；C 选项缺少be 动词；D 选项缺少be 动词且不是正确的动词形式。

3.The school library books ______ often borrowed by students.A.isB.areC.beD.being答案解析：B。

“books”是复数，被动语态be 动词用are。

A 选项is 用于单数；C 选项be 不能单独使用；D 选项缺少be 动词且不是正确的动词形式。

4.The blackboard ______ after every class.A.is cleanedB.cleanedC.cleansD.cleaning答案解析：A。

“blackboard”是被擦的对象，用被动语态。

B 选项缺少be 动词；C 选项是主动语态；D 选项缺少be 动词且不是正确的动词形式。

5.Our school uniforms ______ by our parents.A.is boughtB.are boughtC.buyD.buying答案解析：B。

“uniforms”是复数，被动语态be 动词用are。