攻克一般英语语法：一般现在时态be动词结构
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英语一般现在时(Simple present tense)。表示通常性、规律性、习惯性、真理性的状态或者动作(有时间规律发生的事件)的一种时间状态。 动词的现在式有am，is，are三种，分别接在不同人称的主语之后： I am a doctor. 我是一名医生。 Mary is at work. 玛丽在工作。 He is very brilliant. 他非常聪明。 It is a nice day. 今天天气晴朗。 You are my only friend. 你是我惟一的朋友。 They are students. 他们是学生 。4 be动词的否定句 句型：主语 + be动词（am/is/are） + not... be动词一般现在时的否定句结构，是在be动词am，is，are之后加not： We aren't her classmates. 我们不是她的同班同学。 I'm not Tom. 我不是汤姆。（I'm是I am的缩写，读作/aim/。） It's not a cat，but a dog. 这不是猫，而是狗。 Things are not always what they seem（to be）. 事物并不总是与表象一致。 be动词否定句的缩写方式： is not的缩写是isn't，读作/′iznt/；are not的缩写是aren't，读作/a：nt/；I am～的否定句是I am not～，缩写为I'm not～；am not不缩写在一起。 be动词的一般疑问句 句型：be动词 + 主语...? 回答方式：Yes，主语 + be动词（am/is/are）... No，主语 + be动词（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 |
