1、Comment A1: 系动词亦称联系动词，作为系动词，它本身有词义，但不能单独用作谓语，后边必须跟表语（亦称补语），构成系表结构说明主语的状况、性质、特征等情况。有be，keep，stay，be,look,feel,smell,become等。助动词：协助主要动词构成谓语动词词组的词叫助动词。被协助的动词称作主要动词。助动词自身没有词义，不可单独使用，例如：He doesnt like English.（doesnt 是助动词，无词义；like 是主要动词，有词义)最常用的助动词有：have, do, shall, will, should, would情态动词：can，could，may,
2、would,must 等初中英语 一般疑问句及练习1：定义：疑问句的一种，并以“Yes，”，或“No，”回答的句子。其结构是系动词/be动词/助动词/情态动词+ 主语+其他成分回答：肯定：Yes+主语+提问的助动词否定：No+主语+ 提问的助动词+not2：陈述句变一般疑问句的技巧：陈述句和一般疑问句的一大区别就是句子中系动词和助动词位置的区别，所以要首先了解英语中动词分为三类动词：A：情态助动词（can，could，may,would,must 等）Eg: I can do my homework on my own.Can you do your homework on your own?
3、He should say thanks to the helper.Should he say thanks to the helper?She may pass the final exam this time.May she pass the final exam this time?I would miss you when you are away.Would you miss me when I am away?B:系动词（be,smell, taste,look,sound,seem等）Eg: My father is a policeman Are your father a
4、policeman?The cake tastes good . Does the cake tastes good?The river over there looks clear. Does the river over there look clear?C: 行为动词即实意动词（动词本身就是来描述行为的）Eg: I like to play basketball. Do you like to play basketball?3：陈述句变一般疑问句的方法A: 含 be动词或情态动词的句子：秘诀：一调二改三问号一调：即把句中的 be动词或者情态动词调到句子主语前二改：改换主语称谓，即将句中
5、的主语 I/My/mine/we/our/ours等第一人称分别改 为相应的第二人称 you/yous/your等三问号：在句子末尾加问号Eg; I am an English teacher Are you an English teacher?Comment A2: 以上两个例句中，回答时必须将 this/that/变成 it，将these/those 变成 they。Comment A3: 第三人称单数有哪些 1. 第三人称单数代词有：he, she, it。 如：How old is she? 她多大了？ 2. 指示代词 this, that。 如：Thats a Chinese ca
6、r. 那是辆中国小汽车。 3. 不定代词 everyone, somebody, something, nobody, everything, everybody 等。 Is everyone here today? 今天大家都到了吗？ 4. 单数可数名词。如：Lucy, a cat, my book, an orange, the bag等。如：Lucy is a good girl. 露西是个好女孩。 5. 不可数名词可被看作第三人称单数。如:There is some money in the purse. 在钱包里有些钱。We can speak English fluently Ca
7、n you speak English fluently?She is beautiful and nice Is she beautiful and nice?Those books are ours Are theses books yours?此类问答：肯定：Yes,主语+be 动词或者情态动词否定：No,主语+be 动词或者情态动词+not注意：be 动词或者情态动词与 not连用有缩写形式，主要有 isnt, arent, wasnt, werent,can;t,mustnt,neednt等Eg: Is this your English book?肯定：Yes, it is否定：N
8、o, it is not/it isntAre these your English book?肯定：Yes, they are否定：No, they are not/they arentB: 含行为动词或者实意动词的句子 秘诀：一加二改三问号一加：即在句首加助动词 do或者 does（当主语是第三人称单数的时候），注意如果句子是过去时，does/do 需变成 did二改：一把谓语动词改为原型。二要改换主语称谓，即将句中的主语 I/My/mine/we/our/ours等第一人称分别改为相应的第二人称you/yous/your等三问号：在句子末尾加问号Eg: We read English e
9、very morning. Do you read English every morning?Yes, we do/No,we dont Toms father listens to the radio everyday. Does Toms father listen to the radio everyday?Yes,he does/No,he does not.Helen finished her homework yesterday. Did Helen finish her homework yesterday?Yes,she did/No, he didnt.此类问答：肯定：Ye
10、s,主语+do/does/did否定：No,主语+do/does/did+not注意，助动词 do也常用缩写形式，主要有 dont, doesnt,didnt 等C: 加强记忆口诀：“肯变一，并不难，can 或 be提在前；谓语若为行为动，do或 does句首用。一般疑问句回答时注意：肯定回答除了用 Yes外还可以用 OK/Certainly/Of course等否定回答除了用 No，还可以用 Sorry/Sorry,I cant等Eg: Can you speak English?肯定： Of course/Certainly否定：Sorry,I cant.补充：“some ”还是“any”
11、在一般疑问句中，表示“一些”时，一般用 any。但如果这个问句是用来表达“建议，请求，邀请”等交际功能时，应该用 some。Eg: Is there any tea in the cup?Do you have any children?May I have some fish?Would you like some coffee?Shall we buy some vegetables?Can I borrow some money from you?Why not have some bread?How about some orange juice?一般疑问句习题 一基础巩固 1. Hi
12、s father is an English teacher. _ ?2. They can swim. _ ? 3. His birthday is on the twentieth of November._ ?4. Mrs. Li and Kitty are in a big shop. _ ? 5. Kitty is wearing her new uniform._ ?6. Everybody is in the classroom. _ ?7. He is watering the flowers in the park. _ ? 8.He is a pupil._?9.You a
13、re a student._?10.He walks to school._?11.She is a worker._?12.He is a doctor._?13.You are a teacher._?14.You go to school by bike._?15.He gets up early._?二. 能力提升：1.These cats are crying.（喊叫）_ ? 3. I like to read（阅读） English._ ? 4. I go to school on foot.（走路）_ ? 5. He likes English. _ ? 6. His fathe
14、r goes to work by bus.（乘公共汽车）_ ? 7. He is crying（哭） under the tree._?8. The boy under the tree(树) is hungry.( 饥饿) _ ? 9. He goes to school every day. _ ?10.I want to have a model car（摩托车）. _ ? 11.She wants a cup（杯） of coffee（咖啡）._ ? 12.Mrs. Li and Kitty watch TV at night（在晚上）. _ ? 13.I do my homework（家庭作业） after（在之后） school._14.This is my mother._ ? 15. These are my grandparents. _ ?16. I like salad. _ ? 17. They like French fries._ ? 18. She likes bananas._ ? 19. Joy has a small T-shirt. _ ?
