動詞的主要時態

　　(一)一般現在時

　　一般現在時表示經常性或習慣性的動作、現在的特征和狀態、普遍真理等。

　　Galileo said the earth moves around the sun.

　　一般現在時的謂語形式：

　　1.當動詞為實義動詞，如read， go， look時，謂語用動詞原形，否定句在動詞前面加do not ，疑問句加助動詞do .常和always， often， usually， sometimes， everyday等表示時間的狀語連用。

　　I go to school everyday.

　　I read the newspapers after lunch.

　　Do you agree with me?(agree with sb. 同意某人觀點)

　　I don't quite agree with you.

　　主語為第三人稱單數時，動詞后面一般加s(具體變化規則與名詞變復數相同)。否定句加does not， 疑問句加does . My father gets up at six everyday. He loves sports. Does it hurt? Does Miss Wu teach us English? The machine doesn't run smoothly.

　　2.當動詞為be時，謂語隨人稱和數的不同用am， is， are 三種形式。

　　One is not guilty until he is proved. 在被證明有罪之前， 人都是無罪的。

　　Knowledge is power.知識就是力量。 She isn't afraid to go to school alone now.

　　Are you from Yunnan?(be from 來自……地方) What she says is true.

　　3.當動詞為have， 表示“有”時，謂語用have， 主語為第三人稱單數時，用has. 否定句相應用haven't， hasn't， 或don't have ， doesn't have， 疑問句將have， has 提至主語前面或加助動詞do， does.

　　My sister has a lot of toys. She always have a lot of homework to do.

　　Has she/Does she have any money on her? They don't have/haven't much experience.

　　當have 作實義動詞，如have a look， have breakfast， have lunch， have supper時，句子的謂語形式與其他實義動詞相同。 Let's have a look at the picture. I always have breakfast at home. She often has lunch in the dinning hall.

　　always、often通常放在系動詞之后，實意動詞之前。1. It is an accepted custom in our country for men to remove their hats when a woman ______ the room.

　　A. enter B. enters C. entering D. entered

　　wheh狀語從句中的主語是第三人稱單數， 答案 B

　　2. “I'm leaving now. ” “Make sure _______ the door.”

　　A. you lock B. you'll lock C. for locking D. locking

　　make sure+動詞原型或句子。 答案 A

　　3. Jean could be a very attractive girl but she ________ to her clothes.

　　A. pays no attention B. paying no attention

　　C. was paying attention D. had paid attention 答案 A

　　4. “How does Alma like her new work?” “She _______ with the hours.”

　　A. can't satisfy B. isn't satisfied C. doesn't satisfy D. hasn't satisfied

　　be satisfied with 對……滿意 答案 B

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