上海牛津英语四年级下4B句型语法
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四年级下句型、固定搭配、语法
一、 划线提问
(一)划线提问四大步骤
1. 确定疑问词
2. 找六大元素(is, am, are, have, has, can), 没有找do, does帮忙;
如果主语是三单,用does
3. 抄剩余的,遇到some变any, 你我要交换
4. 句号变问号
(二)划线提问的基本句型
1. 划名词,用What来提问
例:The dog likes bones. (划线提问)
What does the dog like?
2. 划颜色,用What colour来提问
例:The tree is green. (划线提问)
What colour is the tree?
3.划具体食物,用What food来提问
例:Ginger likes cat food. (划线提问)
What food does Ginger like?
4.划具体动物,用What animals来提问
例:Peter likes dogs. (划线提问)
What animals does Peter like?
5. 划动作 先补do,再按划线提问四大步骤
do
例:My mother cooks dinner in the kitchen. (划线提问)
What does your mother do in the kitchen?
6. 划现在分词 先补doing,再按划线提问四大步骤
例1: doing
My mother is cooking dinner in the kitchen.(划线提问)
What is your mother doing in the kitchen?
例2:
doing
Peter likes eating fish. (划线提问)
What does Peter like doing?
7. 划地点, 用Where来提问
例:Peter is cooking in the kitchen. (划线提问)
Where is Peter cooking?
8. 划谁,用Who来提问
例:Peter is cooking in the kitchen. (划线提问)
Who is cooking in the kitchen?
9. 划谁的,用Whose+名词来提问
例:That big football is Peter’s.
Whose big football is that?
10. 划感觉, 用How来提问
例:She is hungry. (划线提问)
How does she feel? = How is she?
11. 划数量,可数用How many+名词复数,
不可数用How much+不可数来提问
例1:There is one apple on the table. (划线提问)
How many apples are there on the table?
例2:There is some food on the table. (划线提问)
How much food is there on the table?
12. 划钱,用How much来提问
例:These apples are four yuan. (划线提问)
How much are these apples?
13. 划年龄,用How old来提问
例:Peter is one year old. (划线提问)
How old is Peter?
14. 划时间,用When/ What time 来提问
例:It is seven o’clock. (划线提问)
What time is it?
二.改成一般疑问句
(一)一般疑问句基本步骤 (比划线提问少确定疑问词这一步)
1. 找六大元素(is, am, are, have, has, can),没有找do/does, 如果主语是三单,用does
2. 抄剩余的, 遇到some变any, 你我要交换
3. 句号变问号
例1:Peter has got a new car. (改成一般疑问句)
Has Peter got a new car?
例2:Peter is washing hair in the bathroom. (改成一般疑问句)
Is Peter washing hair in the bathroom?
例3:Peter can cook dinner. (改成一般疑问句)
Can Peter cook dinner?
例4:Peter likes eating oranges. (改成一般疑问句)
Does Peter like eating oranges?
三.改否定句
1. 在六大元素后面加not或n’t,没有六大元素在动词前面加don’t或doesn’t,
动词变原形
2. 遇到some 变any,and变or
例1:There is some food on the table. (改成否定句)
There isn’t any food on the table.
例2:Peter likes eating oranges. (改成否定句)
Peter doesn’t like eating oranges.
例3:Please taste some cherries. (改成否定句)
Please don’t taste any cherries.
四.第三人称单数(三单)
(一) 三单
除了I和you 之外的所有单数都是第三人称单数,其后面的动词用三单形式,加s或es
(二) 三单形式
1. 一般情况下,动词+s , 如:plays, swims, cooks,
2. 以s, x, sh, ch, o 结尾的动词加es, 如: guesses, washes, watches, goes,
does
3. 以辅音+y 结尾,去y加ies,如 fly—flies, study—studies
4. 不规则:have—has
例1:Peter plays (play)badminton in the badminton club.
例2:Peter’s mother washes (wash) her hair in the bathroom.
Peter’s father watches (watch) TV in the living room.
例3:The butterfly flies (fly) in the park.
例4:Peter has (have) a cat.
五. 动词ing
(一) 动词ing的形式
1. 一般情况下动词后面直接加ing
2. 以不发音e结尾,去e加ing
如:dance—dancing,have—having,make—making,write—writing
3. 最后只有一个辅音,中间只有一个元音,且元音不发自己的音,双写加ing。如:running,swimming,hopping,skipping,stopping, chatting,sitting,getting,putting, cutting,
(二)动词ing的位置
1. like后面加动词ing,like doing
be 动词后加动词ing,be doing
go 后面加动词ing, go swimming
2. 放在句首当主语,作为动名词
如:Swimming is fun.
3. 放在名词前,作为动名词,表示性质或用途,
如:a swimming class, a swimming pool, swimming goggles
六.时态
现在进行时:be+动词ing ,表示正在进行的动作 (有now)
一般现在时:动词 (有usually, often, sometimes, never)
例:Peter is cooking dinner now. (现在进行时)
Peter cooks dinner. (一般现在时)
七.动词的适当形式
时态,三单,动词ing, 原形,to do
1. 时态
现在进行时:be+动词ing
一般现在时:动词
2. 三单(主语是除I和you 之外的所有单数)
3. 动词ing (like,be,go后加动词ing)
4. 原形 (祈使句,let’s,please,can,do/ does 后用原形)
5. to do (want to do , would like to do)
八.There be 句型
(一)there be 句型的单复数,由第一个名词决定。[就近原则]
例:There is a lot of food on the table.
There are some biscuits and food on the table.
There is some food and biscuits on the table.
(二)there be 句型的划线提问
1. 划名词, 用“What’s+介词词组”来提问
例:There are many people on the beach. (划线提问)
What’s on the beach?
2. 划数量, 用How many 或How much 来提问
如果数量后面是可数名词,用“How many+名复+are+剩余的”来提问
如果数量后是不可数名词,用“How much+不可数+is+剩余的”来提问
例1:There is some milk on the table. (划线提问)
How much milk is there on the table?
例2:There are some apples on the table. (划线提问)
How many apples are there on the table?
九.名词的适当形式