五年级下册知识点
一、名词（单数，复数，不可数）
1.单数 a fairy , a toothache (two fairies )
an art room/ English teacher / idea / umbrella ( a.e.i.o.u)
2.复数 1.一般直接+s：trains，students，
2.以s. x. sh.ch结尾，加es：bus-buses，class-classes，
3. 以“辅音字母+y”结尾，变y为i，加es：library—libraries
hobby---hobbies city——cities family——families
4. 以o结尾的，加es：potato，tomato ,mango,黑人（Negro）,英雄（hero）
5.不规则名词复数： man-men， woman-women， policeman-policemen
child-children foot-feet，tooth-teeth
3. 不可数bread,meat,soup, milk,juice,tea , rice …
二、人称代词
1.主格：I we you you he she he it they
★2.宾格：me us you you him her him it them
try it/them on help me/him/her
What’s wrong with him/her/them? eat them
be bad for us Let me/us….do(动词原形)
give it a cake come to see him
Fit me well (非常适合我，这里不用very，用well即可，其他场合的很/非常要加very)
3.形容词性物主代词：my our your your his her its their
★三、介词
1、表示时间的：
①in ＋月份：in January ，in April
②in the morning /afternoon/evening
③in ＋季节：in winter
④on ＋具体日期on the 23rd of June
⑤at ＋具体时刻at five o’clock
2、表示节日的：
①at Spring Festival at Christmas / Halloween
②on Mother’s Day （单数）on Children’s Day 在儿童节（复数）
3、表示地点的：（far from/near/next to/beside/behind/between/under/in/on/at）
①at the party / at the prince’s house / at the traffic lights / at the bus stop
at Park Station / at home/school
②on your left
③on Moon Street / in Sunshine Town
★四、季节和月份
Spring is in March,April and May. warm
Summer is in June，July and August. hot
Autumn is in September,October and November. cool
Winter is in December,January and February. cold
★五、基数词和序数词
基数词：one two three four five six seven eight nine ten eleven twelve thirteen fourteen fifteen sixteen seventeen
eighteen nineteen twenty twenty-one thirty ···序数词：first second third fourth fifth sixth seventh eighth ninth tenth eleventh twelfth thirteenth fourteenth fifteenth ···
twentieth twenty-first thirtieth thirty-second
序缩写：
十九nineteen,九十ninety, 第十九nineteenth,第九十ninetieth;
六、哪些情况加动词原形：
1.can /should /would
2. let
3.助动词do/does
4.to
练习：1.Su Hai should ______(take) some medcine.
2.Let’s go and ______（have）a party.
3.______(do)Nancy ______ (like) _______(dance) ?
4.Cinderella has to ______(come) back before 12 o’clock.
七、哪些情况加动词ing
1.be
2. go
3.be good at
4.like
5.what /how about
注意：动词ing形式也叫作动词的现在分词（-ing），变化规则：
（1）直接加ing：draw——drawing play——playing
（2）以不发音的e结尾的，去e加ing：dance——dancing skate——skating make——making have——having write——writing live——living
come------coming ride -------riding drive------driving
（3）以重读闭音节结尾，呈现“辅元辅”结构的，双写末字母加ing：swim——swimming run——running chat——chatting
sit——sitting put ——putting shop——shopping
get-----getting
练习：1.Let’s go ________(swim) this afternoon.
2.You’re really good at _________(skate).
3._____(be) your uncle ______(read) books now?
4.How about ________(watch) a film?
★八、现在进行时
表示：正在进行的动作或存在的状态。（now/listen/look）
构成: be(is/am/are) ＋动ing
例：特殊疑问句 1. What are you doing? I am sweeping the floor.
2. Where are you going? I am going to the playground.
一般疑问句 1.Are you cooking tomato soup? Yes,I am./No, I’m not.
2.Is he looking for some juice? Yes, he is./No,he isn’t.
九、一般现在时
表示：经常发生的动作或存在的状态，常与表示频率的时间状语连用。
