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1、Be动词、助动词和情态动词 专题二 ： BeBe动词动词 一般现在时中be动词的用法 be am is are （1）am用在I后 I am a student. Im happy. （2）are用于复数主语和第二人称单数（你，您）等情况 Are you Chinese? They are basketball players. The books are expensive. （3）is用在主语是第三人称单数或不可数名词等情况 He is my friend. The dog is yellow. Time is money. be动词的缩写形式 I am = Im he/she/it is
2、 = hes/shes/its we/you/they are = were/youre/theyre is not = isnt are not = arent who is = whos what is = whats be动词的在一般现在时中的各种句型 1）肯定句： 主语 + be + 其他成分 She is beautiful. 2）否定句： 主语 + be + not + 其他成分 She is not beautiful. 3）一般疑问句（用yes或no来回答）：be + 主语 +其他成分 + ？ Is she beautiful？ 4）特殊疑问句： 疑问词 + be + 主语（其
3、他成分）+ ？ Whats your name? Whos that? be的用法口诀： 我用am，你用are, is跟着他、她、它。 单数is，复数are，勿忘be的三变化。 变疑问，往前提，句末问号莫丢弃。 变否定，更容易，be后not莫忘记。 疑问否定任你变，句首大写莫迟疑。 一般现在时中be动词的用法相对简单，上面的口诀基本包括了be动 词的各种问题。 ExercisesExercises 用am/is/are填空 1、She（ ）a student. 2、His jacket （ ）on the table. 3、We （ ）family. 4、-How （ ）you? -I （ ）
4、fine, thanks. 5、Jack and I （ ）good friends. 6、（ ）she a student? 7、（ ）you a teacher? I _ an English teacher now. They _ glad to see each other . Helen and Nancy _ good friends. The little dog _ two years old this year. Look, there _ lots of grapes here. There _ a sign on the chair on Monday. Today _
5、the second of June. Yesterday _ the first of June. It _ Childrens Day. All the students _ very excited. The sky blue. I a boy. There _(be) some water in the bottle. am are are are am was is is is is is was were 16. The black gloves _ for Su Yang. 17. This pair of gloves _ for Yang Ling. 18. The two
6、cups of milk _ for me. 19. Some tea _ in the glass. 20. Gao shans shirt _ over there. 21. My sisters name _Nancy. 22. This _ not Wang Fangs pencil. 23. _ David and Helen from England? 24. There _ a girl in the room. 25. There _ some apples on the tree. 26. _ there any kites in the classroom? 27. _ t
7、here any apple juice in the bottle? 28. There _ some bread on the plate. 29. There _ a boy, two girls, three men and ten women in the park. 30. You, he and I _ from China. are is are is is is is Are is are Are Is is are are 句型转换 1. They are doing housework .(分别改成一般疑问句和否定句) 2The students are cleaning
8、 the classroom . ( 改一般疑问句并作肯定 和否定回答) 3. Tom is under the tree.（变为否定句） Are they doing housework? Yes, they are. / No, they arent. They arent doing housework. Are the students cleaning the classroom? Yes, they are./ No, they arent. Tom is not under the tree. 4. The skateboards are black.(改成否定句) 5.Its
9、branches are long.(意思不变，改否定句) 6.She is always a good student.(改为一般疑问句，作否定回答) . The skateboards are not black. Its branches are not short. Is she always a good student? No, she isnt. 助动词助动词do/doesdo/does 什么是助动词？什么是助动词？ 顾名思义，助动词就是帮助动词的，而本身没有实际意义顾名思义，助动词就是帮助动词的，而本身没有实际意义 的动词，是具有雷锋精神的词汇。的动词，是具有雷锋精神的词汇。
10、助动词助动词dodo的三种变化形式的三种变化形式 dodo 第三人称单数时使用的第三人称单数时使用的doesdoes 过去式过去式diddid dodo的基本用法：的基本用法： 1 1 构成否定句构成否定句 2 2 构成一般疑问句及回答构成一般疑问句及回答 3 3 构成特殊疑问句构成特殊疑问句 dodo的各种形式的各种形式 肯定式：肯定式：dodo 否定式：否定式：dont/do notdont/do not dodo用在第一人称单复数、第二人称单复数和第三人称复数作主语，且用在第一人称单复数、第二人称单复数和第三人称复数作主语，且 时态为一般现在时的句子，如：时态为一般现在时的句子，如： I
11、 like that dress.I like that dress. 否定句：否定句：I dont like that dress.I dont like that dress. 一般疑问句及回答：一般疑问句及回答：-Do you like that dress?-Do you like that dress? -Yes, I do/ No, I dont. -Yes, I do/ No, I dont. 特殊疑问句：Which dress do you like? does does 肯定式：does 否定式：doesnt doesdoes用在第三人称单数作主语，且时态为一般现在时的句子用
12、在第三人称单数作主语，且时态为一般现在时的句子 当当doesdoes出现时，句子中用动词原形。如：出现时，句子中用动词原形。如： She likes that dress. 否定句： She doesnt like that dress. 一般疑问句及回答：-Does she like that dress? -Yes, she does./No, she doesnt. 特殊疑问句：Which dress does she like? ExercisesExercises 按要求改写句子： 1. I think he is very old.(否定句) I _ think he _ very
13、 old. 2. This sign means “No smoking”. （改为特殊疑问句） What _ this sign _? 3. My plant has two green leaves. (就划线部分提问) _ _ _ _ _ _plant _? 4. I love my parents.（改为一般疑问句） _? dont is doesmean How many green leaves does your have Do you love your parents 用动词的适当形式填空。 1 、They _(read) English in the morning. 2
14、、She _(like) her coat very much. 3 、He usually _ (watch) TV at 7:00 in the evening. 4 、The girl _ (fly) a kite every spring. 5 、He _ (get) up at 7 oclock in the morning. 6 、The man and the woman always _ (listen) to the radio. 7 、Lucy _ (not sing) very well. 8 、I _ (not go) to school by bus every da
15、y. 9 、Daming _ (run) a race on Mondays. 10、We _ (do) high jump with our friends at school. 11、The little girls _(read) English in the evening. 12、They _(like) her coat very much. 13、She usually _ (watch) TV with her sister in the evening. 14、The girls and the boys _ (fly) a kite every spring. 15、We _ (get)
