一般现在时
一. 意义：表示经常发生的事情，动作或存在的状态
二. 构成及变化
1.be动词的变化。
肯定句：主语+be(am,is,are)+其它。如： I am a boy.我是一个男孩。
否定句：主语+ be + not +其它。如：He is not a worker.他不是工人。
一般疑问句：Be +主语+其它。 如：-Are you a student? -Yes. I am. / No, I'm not.
特殊疑问句：疑问词+一般疑问句。如：Where is my bike?
2. 行为动词的变化。
当主语为第一，二人称及复数时，助动词为do
肯定句：主语+动词原形(+其它)。如： We often play basketball after school.
否定句：主语+ don't+动词原形(+其它)。如：we don’t play basketball after school.
一般疑问句：Do +主语+动词原形+其它?
如： Do you often play basketball after school l? Yes, we do. / No, we don't.
特殊疑问句：疑问词+以do开头的一般疑问句?
如： What do you often do after school ?
当主语为第三人称单数时 ,助动词为does
肯定句：主语+动词三单式(+其它)。如： He swims well.
否定句：主语+ doesn’t+动词原形(+其它)。如：He doesn’t swim well..
一般疑问句：Does +主语+动词原形+其它。
如：Does he swim well ? Yes, he does. / No, he doesn't.
特殊疑问句：疑问词+以does开头的一般疑问句?
如： How does your father go to work?
三.第三人称单数的动词变化规则(只有在第三人称为主语的肯定句中，动词才用三单式)
(1)多数动词直接加s:runs gets likes collets takes plays climbs…….
(2)结尾是s, x, sh, ch, o,前为辅音字母,
结尾加es :watches teaches goes does washes crosses mixes brushes
(3)动词末尾y前为辅音:将y改为i加es: study→studies fly→flies carry→carries cry→cries
但在y前如果为元音则直接加s:buys says
四.时间标志：always , usually , often , sometimes ,every…
现在进行时
一.意义——当表示现在正在进行的动作或正在发生的事。
二.构成:be (am, is ,are )+动词现在分词-ing形式
肯定句： 主语 + be + 现在分词V-ing (+ 其他) I’m doing my homework now .
否定句：主语+be+not+动词-ing +其他. I’m not doing my homework now.
一般疑问句：Be+主语+动词-ing +其他?
Are you doing your home work now? Yes, I am . No , I’m not .
特殊疑问句：特殊疑问词+be+主语+动词-ing+其他?What are you doing now ?
17. “Wh-” questions.
What are you doing?
What colour is it?
What time is it? What’s the time?
Which is your watch, the yellow one or the white one?
Who’s the man with a big nose?
Whose bag is it?
When is your birthday?
Where is my ball pen?
Why do you like summer?
How many books are there in the school bag?
How old is the young man?
How much is the toy bear?
How do you go to school every day?
What are you doing?
What colour is it?
What time is it? What’s the time?
Which is your watch, the yellow one or the white one?
Who’s the man with a big nose?
Whose bag is it?
When is your birthday?
Where is my ball pen?
Why do you like summer?
How many books are there in the school bag?
How old is the young man?
How much is the toy bear?
How do you go to school every day?
1.人称代词
主格： I we you she he it they
宾格： me us you her him it them
形容词性物主代词：my our your her his its their
名词性物主代词： mine ours yours hers his its theirs
2.形容词和副词的比较级
(1) 一般在形容词或副词后+er
older taller longer stronger, etc
(2) 多音节词前+more
more interesting, etc.
(3) 双写最后一个字母，再+er
bigger fatter, etc.
(4) 把y变i，再+er
heavier, earlier
(5) 不规则变化：
well-better, much/many-more, etc.
3.可数词的复数形式
Most nouns + s a book –books
Nouns ending in a consonant +y - y+ ies a story—stories
Nouns ending in s, sh, ch or x + es a glass—glasses a watch-watches
Nouns ending in o +s or +es a piano—pianos a mango—mangoes
Nouns ending in f or fe - f or fe +ves a knife –knives a shelf-shelves
4.不可数名词(单复数形式不变)
bread, rice, water ,juice etc.
5. 缩略形式
I’m = I am you’re = you are she’s = she is he’s = he is
it’s = it is who’s =who is can’t =can not isn’t=is not etc
6. a/an
a book, a peach
an egg an hour
7. Preposition:
on, in ,in front of, between, next to, near, beside, at, behind.
表示时间： at six o’clock, at Christmas, at breakfast
on Monday on 15th July On National Day
in the evening in December in winter
8. 基数词和序数词
one – first two-second twenty-twentieth
9. Some /any
I have some toys in my bedroom.
Do you have any brothers or sisters?
10. be 动词
(1) Basic form: am/are/is
(2) 肯定和否定句 I am(not) from London.
My eyes are(not) small.
My hair is(not) long.
(3)一般疑问句： Am I a Chniese? Yes, you are. No, you aren’t.
Are they American? Yes, they are. No, they aren’t.
Is the cat fat? Yes, it is. No, it isn’t.
11. there be 结构
肯定句： There is a …
There are …
一般疑问句:Is there …? Yes, there is./ No, there isn’t.
Are there…? Yes, there are. /No, there aren’t.
否定句： There isn’t …. There aren’t….
12. 祈使句
Sit down please
Don’t sit down, please.
13. 现在进行时.通常用“now”.
形式： be + verb +ing
eg: I am(not) doing my homework.
You/We/They are(not) reading.
He/She/It is(not) eating.
动词 —ing 的形式
Most verbs +ing walk—walking
Verbs ending in e -e + ing come—coming
Short verbs ending in a vowel + a consonant run –running swim—swimming
14 一般现在时。通常用 “usually, often, every day, sometimes”。
形式：
肯定句：
I go to school on foot every day.
She goes to school on foot every day.
一般疑问句:
Do you jump high? Yes, I do. / No, I don’t.
Does he jump high? Yes, he does. / No, he doesn’t.
否定句： We don’t go to school on Sundays.
My mother doesn’t like watching TV in the evening.
15. (情态)动词can,must, should 后面直接用动词原形。
eg:
1. I / He / She / They can sing.
2.You should keep quiet in the library.
16. 一般过去时态
(a) be 动词的过去式:
I/He/she/it was(not)…. You/we/they were….
一般疑问句was, were 放在句首。
(b) 动词过去式：
肯定句： I watched cartoons.
She visited the zoo.
一般疑问句： Did you read book last night? Yes, I did. No, I didn’t.
Did she clean the desk just now? Yes, she did. No, she didn’t.
否定句： They didn’t go the the part yesterday.
He didn’t make model ships last week.
(3)动词过去式的变化：
规则动词的变化：
Most verbs +ed eg. planted,watered,climbed。
Verbs ending in e +d eg liked。
Verbs ending in a consonant +y --y +ied eg : study—studied
Short verbs ending in a vowel + a consonant eg: stop --stopped
不规则动词的变化：
is/am—was,are—were,do—did,have/has—had,make—made,fly-flew/u:/
eat—ate,take—took,run—ran,sing—sang,drink—drank 等等
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