突破一般英語語法：一般現(xiàn)在時(shí)態(tài)be動(dòng)詞結(jié)構(gòu)

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英語一般現(xiàn)在時(shí)(Simple present tense)。表示通常性、規(guī)律性、習(xí)慣性、真理性的狀態(tài)或者動(dòng)作(有時(shí)間規(guī)律發(fā)生的事件)的一種時(shí)間狀態(tài)。

動(dòng)詞的現(xiàn)在式有am，is，are三種，分別接在不同人稱的主語之后：
動(dòng)詞是系動(dòng)詞的一種，表示“……是……”的意思。
現(xiàn)在式（The Present Forms）有am，is，are三種。這三種動(dòng)詞的原形是be，所以它們稱為be動(dòng)詞。
動(dòng)詞的現(xiàn)在式
be動(dòng)詞的現(xiàn)在式有am，is，are三種，分別接在不同人稱的主語之后：
be動(dòng)詞句型的構(gòu)成
肯定句：主語 + be動(dòng)詞（am/is/are）...
否定句：主語 + be動(dòng)詞（am/is/are） + not...
疑問句：be動(dòng)詞（am/is/are） + 主語...?
疑問代詞/疑問副詞 + be動(dòng)詞（am/is/are） + 主語...?
3. be動(dòng)詞的肯定句
句型：主語 + be動(dòng)詞...
be動(dòng)詞的肯定句由“主語 + be動(dòng)詞（am/is/are） + 表語”構(gòu)成：

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4 be動(dòng)詞的否定句
句型：主語 + be動(dòng)詞（am/is/are） + not...
be動(dòng)詞一般現(xiàn)在時(shí)的否定句結(jié)構(gòu)，是在be動(dòng)詞am，is，are之后加not：








be動(dòng)詞否定句的縮寫方式：
is not的縮寫是isn't，讀作/′iznt/；are not的縮寫是aren't，讀作/a：nt/；I am～的否定句是I am not～，縮寫為I'm not～；am not不縮寫在一起。
be動(dòng)詞的一般疑問句
句型：be動(dòng)詞 + 主語...?
回答方式：Yes，主語 + be動(dòng)詞（am/is/are）...
No，主語 + be動(dòng)詞（am/is/are） + not...

1.I ______ cooked a meal when you _____ me.

A. cooked, were ringing B. was cooking, rang

C. was cooking, were ringing D. cooked, rang

2.He said he _____ to draw a plane on the blackboard at that time.

A. tries B. tried C. was trying D. will try

3.While she ______ TV, she ______ a sound outside the room.

A. was watching, was hearing B. watched, was hearing

C. watched, heard D. was watching, heard

4.They _____ a football game from 7 to 9 last night.

A. were watching B. watch C. watched D. are watching

5.What book ____ you ______ when I ____ you at four yesterday afternoon?

A. did, read, was seeing B. did, read, saw

C. were, reading, saw D. were, reading, was seeing
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