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；，其他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：____________________________________________________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 you。

4、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.，其他照抄。

如果（2）句子中有don’ｔ或doesn’ｔ时，直接去掉don’ｔ或doesn’ｔ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.________________________________________________________ 10、Sam isn’t sad.________________________________________________________ 11、We aren’t studying English.________________________________________________________ 12、I can’t dance________________________________________________________ 13、Don’t open the pencil-box.________________________________________________________ 14、He doesn’t know your name.________________________________________________________ 15、I am not Danny.________________________________________________________ 16、The man isn’t walking in the street.________________________________________________________ 17、They aren’t in the classroom.________________________________________________________ 18、Her mother can’t ride a bicycle.________________________________________________________ 19、We don’t have lunch at 12:00 every day.________________________________________________________ 20、Tom doesn’t walk to school.________________________________________________________第4讲缩写形式与完整形式【知识点】完整形式缩写形式完整形式缩写形式完整形式缩写形式完整形式缩写形式am’ｍis’ｓare’re not n’ｔI am I’ｍhe is he’ｓwe are we’re is not isn’ｔshe is she’ｓyou are you’re can not can’ｔwhat is what's they are they’re do not don’ｔname is name’ｓdoes not doesn’ｔ【练习题】1、I am Mike.缩写形式：____________________________________2、This is a pen.缩写形式：____________________________________3、You are a boy.缩写形式：____________________________________4、They can not swim.缩写形式：____________________________________5、I do not like apples.缩写形式：____________________________________6、I am a student.7、It is an apple.缩写形式：____________________________________ 8、They are my books.缩写形式：____________________________________ 9、I can not see a boat.缩写形式：____________________________________10、Do not stand up.缩写形式：____________________________________ 11、I’m Danny.完整形式：____________________________________ 12、This’s my ruler.完整形式：____________________________________ 13、Those’re his robots.完整形式：____________________________________ 14、You can’t go to have a look.完整形式：____________________________________ 15、I don’t know his name.完整形式：____________________________________ 16、I’m in Grade 3.17、She’s Yang Ling.完整形式：____________________________________ 18、We’re teachers.完整形式：____________________________________ 19、I can’t draw a toy car.完整形式：____________________________________ 20、Jack doesn’t speak English very well.完整形式：____________________________________第5讲主格、宾格、所有格（形容词性物主代词）【知识点】1、人称代词主格：在句子开头作主语，表示谁怎么样了、干什么了。