沪教版三年级上册英语-知识点(否定句、一般疑问句、肯定句、缩写、复数、划线部分提问)(良心出品必属精.docx

第1讲 改否定句【知识点】1、 句子中有am/is/are/can时，直接在后面加not，其他不变，抄下来；2、 句子中没有am/is/are/can时，找到动词，在动词前面加don’t/doesn’t，其他不变，抄下来练习题】1、 I am Mike.否定句：____________________________________________________2、 This is a pen.否定句：____________________________________________________3、 You are a boy.否定句：____________________________________________________4、 They can swim.否定句：____________________________________________________5、 I like apples.否定句：____________________________________________________6、 I am Danny.否定句：____________________________________________________7、 This is my ruler.否定句：____________________________________________________8、 Those are his robots.否定句：____________________________________________________9、 You can go to have a look.否定句：____________________________________________________10、 I know his name.否定句：____________________________________________________11、 I am a student.否定句：____________________________________________________12、 It is an apple.否定句：____________________________________________________13、 They are my books.否定句：____________________________________________________14、 I can see a boat.否定句：____________________________________________________15、 Stand up.否定句：____________________________________________________16、 I am in Grade 3.否定句：____________________________________________________17、 She is Yang Ling.否定句：____________________________________________________18、 We are teachers.否定句：____________________________________________________19、 I can draw a toy car.否定句：____________________________________________________20、 Jack speaks English very well.否定句：____________________________________________________1第2讲 改一般疑问句【知识点】1、 句子中有am/is/are/can时，放句首，其他不变，抄下来。

2、 句子中没有am/is/are/can时，用Do/Does放句首，其他不变，抄下来3、 I变you，I am变Are you4、 标点变问号肯定回答：Yes，人称 + am/is/are/can/do否定回答：No，人称 + am/is/are/can/do + not练习题】1、 I am Mike.一般疑问句：______________________________________________肯定回答：__________________________________________________否定回答：__________________________________________________2、 This is a pen.一般疑问句：______________________________________________肯定回答：__________________________________________________否定回答：__________________________________________________3、 You are a boy.一般疑问句：______________________________________________肯定回答：__________________________________________________否定回答：__________________________________________________4、 They can swim.一般疑问句：______________________________________________肯定回答：__________________________________________________否定回答：__________________________________________________5、 I like apples.一般疑问句：______________________________________________肯定回答：__________________________________________________否定回答：__________________________________________________6、 I am Danny.一般疑问句：______________________________________________肯定回答：__________________________________________________否定回答：__________________________________________________7、 This is my ruler.一般疑问句：______________________________________________肯定回答：__________________________________________________否定回答：__________________________________________________8、 Those are his robots.一般疑问句：______________________________________________肯定回答：__________________________________________________否定回答：__________________________________________________9、 You can go to have a look.一般疑问句：______________________________________________肯定回答：__________________________________________________否定回答：__________________________________________________10、 I know his name.一般疑问句：______________________________________________肯定回答：__________________________________________________否定回答：__________________________________________________第3讲 改肯定句【知识点】1、一般疑问句改肯定句（1）将句首的am/is/are/can放回主语后面，其它照抄，标点改成句号。

例如：Is she tall? She is tall.（2）句首是Do、Does的，去掉Do、Does，其它照抄，动词用原形，标点改成句号如果主语是第三人称单数，谓语也要改为第三人称单数形式例如：Do you like apples？肯定句：I like apples.2、否定句改肯定句（1）句子中有am/is/are/can时，直接把am/is/are/can后面的not去掉，其他照抄例如：I can’t run. I can run.（2）句子中有don’t或doesn’t时，直接去掉don’t或doesn’t，其他照抄如果主语是第三人称单数，谓语也要改为第三人称单数形式例如：Don’t shut. Shut.【练习题】1、 Is this tall boy thin?________________________________________________________2、 Are your ears small?________________________________________________________3、 Can Sarah clean the classroom?________________________________________________________4、 Do you like the ducks?________________________________________________________5、 Is this the playground?________________________________________________________6、 Are you a boy?________________________________________________________7、 Can they swim?________________________________________________________8、 Does he like the dogs?________________________________________________________9、 I am not a boy.__________________________________________________。