一般現在時表示經常反復發(fā)生得動作或存在得狀態(tài)，句子中出現always, usually, often, sometimes, seldom, never, once a week, twice a year, three times a day, on Sundays etc.用此時態(tài)。
e.g. My mother often goes to work by bus.
We like playing basketball.
動詞第三人稱單數變化：
look - looks, like - likes
play - plays, cry - cries
go - goes, do - does
watch - watches, wash - washes
have - has
知識點歸納：
一般現在時（動詞為be）
肯定句：be動詞具體變?yōu)閍m/is/are
（單數is，復數are，I用am，you用are）
否定句：be后加not，即寫isn't，aren't，am not
一般疑問句：Be提到句首，加?
I am... 或 We are...要改為 Are you...?
劃線提問：疑問詞+be, 加?
一般現在時（動詞為實意動詞）
主語為第三人稱單數
肯定句：主語+動詞加s或es+其他+.
否定句：主語+doesn't+動詞恢復原形+其他+.
一般疑問句：Does+主語+動詞恢復原形+其他+?
劃線提問：疑問詞+doe+主語+動詞恢復原形+其他+?
主語為其余人稱和數（即主語不是第三人稱單數）
肯定句：主語+動詞原形+其他+.
否定句：主語+don't+動詞原形+其他.
一般疑問句：Do+主語+動詞原形+其他?
劃線提問：疑問詞+do+主語+動詞原形+其他+?
專項練習
寫出下列動詞得三單形式
want _______ teach _______ draw _______ hear ______
try _______ fly _______ cut ______ say ______
come ______ have _______ carry ______ wash ______
用所給單詞得適當形式填空
1.Tom ______ (get) up at 6:30 every day.
2.My father often _______ (drive) a car to work.
3.Tom and I usually ______ (play) basketball afternoon.
4.Mr Green sometimes ______ (read) books before bedtime.
5.We ______ (visit) my grandparents once a week.
6.Ben _____ (go) swimming with his friends on Sundays.
7.______ your friend ______ (like) drawing? Yes, he _____ (do).
8.I ______ (have) a cat. My cousin Alice ______ (have) a bird.
9.______ Danny and you _______ (see) a film on Saturdays? Yes.
改寫句子（否定，疑問，劃線）
1.We often watch TV at weekends.
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2.I want to be a doctor.
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3.This apple is sweet.
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4.They are students.
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5.John wants to see a film with his friend.
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6.My brother has a green coat.
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7.Tim likes blue.
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