肯定句变为否定句的方法一般疑问句的回答.doc

肯定句变为否定句的方法；一般疑问句的回答1）肯定句变为否定句的方法把肯定句改成否定句分以下情况：1、 句中有be动词的，在be动词后加not；2、 句中有情态动词的（can ,should，must ，would），在情态动词后面加not；3、 句中没有be动词和情态动词的，在动词前加dont或doesnt ； 句中动词为原形的，加dont .如： I like apples. I dont like apples. 句中动词为三单形式的，加doesnt，并将三单式的动词还原成原形。如：He likes apples. He doesnt like apples.4.肯定句中的some在否定句中应改为any 如：There are some students in the classroom. There are not any students in the classroom.2) 一般疑问句的回答 a) Is Jim a student? b) Can I help you?c) Does she like salad? d) Do they watch TV?e) Is she reading?肯定回答: a) Yes, he is. b) Yes, you can. c) Yes, she does. d) Yes, they do. e) Yes, she is.否定回答: a) No, he isnt. b) No, you cant. c) No, she doest. d) No, they dont. e) No, she isnt.由Be动词来问，也由Be 动词来回答be : am is areAm I a teacher? Yes, you are . No, you arent.Is he Tom? Yes, he is. No, he isnt.Is she your friend? Yes, she is . No, she isnt.Is Lucy 8 years old? Yes, she is. No, she isnt.由助动词do, does提问，也用它们来回答Do you have a book? Yes, I have. No, I havent.Does he have a pen? Yes, he does. No, he doesnt. Does it like to sleep? Yes, it does. No, it doesnt.情态动词，用can 问，也用它来答Can he swim? Yes, he can. No, he cant. 把下列句子改写为否定句、一般疑问句并做肯定、否定回答1.HisfatherisanEnglishteacher.(否定句)His father is not an English teacher.（一般疑问句）Is his father an English teacher?Yes, he is. No, he isnt.2. Theycanswim.(cannot)They cannot(cant) swim.Can they swim? Yes, they can. No, they cant.3.IlikereadingEnglish.I dont like reading English.Do you like reading English? Yes, I do. No, I dont.4.Hissistergoestoschoolonfoot.（否定句）His sister doesnt go to school on foot.（一般疑问句）Does his sister go to school on foot?Yes, she does. No, she doesnt.5.Mrs LiandKittywatchTVatnight.Mrs Li and Kitty dont watch TV at night.Do Mrs Li and Kitty watch TV at night? Yes, they do. No, they dont.6.Idomyhomeworkafterschool.I dont do my homework after school.Do you do your homework after school?Yes, I do. No, I dont.课后练习把下列句子改写为否定句、一般疑问句及肯定、否定回答1.Theboydoessomehouseworkathome. 2.WearefromChina. 3.Jimhassomebooks. 4.Ihavea football book. 5.MyauntoftenwatchesTV. 6.Myparentscanplayping-pong. 7.Theyaremygrandparents.