2022年人教版六年级英语语法讲练--否定句学案+练习（无参考答案）

2022年人教版六年级英语语法讲练
否定句
第一类 含有Be动词的否定
在be动词后加上not
其中be动词有：现在时______ ______ _______ ；过去时________ ______
is not=____________ are not =________ am not=____________
was not=__________ were not=__________
and变 or ; some 变any
如：I am a student. I am not a student.
She was happy and excited. She was not happy or excited.
第二类 含有情态动词的否定
在情态动词后加上not
and变 or ; some 变any
情态动词有：can shall may will need
could should might would must
can not=________shall not=_________ may not=____________
will not=_________ need not=______
could not=______ should not=_______ might not=___________
would not=_______ must not=_______
注：shall 通常用在第一人称，表谦虚。可以表示一般将来时态。用在其他人称有要求，责备的意味存在。will 可用在所有人称。
如：
1. I can swim.
-->I can’t swim.
2. She should stay in bed for a few days.
-->She shouldn’t stay in bed for a few days.
第三类 含有行为动词的否定（无be无情）
在助动词后加not构成否定。
助动词：一般现在时 don’t / doesn’t+动原； 一般过去时didn’t+动原
and变 or ; some 变any
do not=_______ does not=____________ did not=___________
1.I have some book.
--> I don’t have any books.
2.Mike likes apples.
--> Mike doesn’t like apples.
3.He visited his grandparents last week.
--> He didn’t visit his grandparents last week.
第四类 祈使句的否定
在动词前加上Don’t.
Stand up! Don’t stand up!
Let sb not do sth
Let me clean the window. Let me not clean the window.
and变 or ; some 变any
【习题检测】
选择填空
This _____ your book. It’s mine.
A. is B. are C. isn’t D. aren’t
Laura_____ have any brothers or sisters.
A. isn’t B. amn’t C. don’t D. doesn’t
There are _____ computer rooms in my school.
A. not B. no C. a D. not a
---Would you like some chicken
---Thanks, but I _____ chicken at all.
A. like B. likes C. don’t like D. am not like
We _____ swim in the river. It’s dange0rous.
A. can’t B. won’t C. don’t D. aren’t
按要求改写句子。
Micheal can speak some French.（改成否定句）
Micheal _______ speak ______ French.
Come in, please! （改成否定句）
_______ come in, ________.
There is some bread and milk on the table. （改成否定句）
There isn’t _______ bread _______ milk on the table.
Jim doesn’t do housework at home.（改成肯定句）
Jim _______ _________ at home.
My father won’t go to Beijing this summer.（改成肯定句）
My father ______ ______ to Beijing this summer.
He was reading a novel in the study. （改成否定句）
He _______ _______ a novel in the study.
三 、请选出下列句子中的错误之处并在横线上改正。
（ ）1. I amn’t Maria’s friend. ___________
A B C D
（ ）2. You’d better don’t go there on foot. ____________
A B C D
（ ）3. Don’t he go to bed early every day ____________
A B C D
（ ）4. Peter doesn’t do some sports. ___________
A B C D
（ ）5. Mary isn’t a teacher, too. She is a nurse. __________
A B C D
四、将下列改为否定句。
1. 一般现在时：
(1) He likes lions very much.
He _______ like lions _______ ______.
(2) They work in that hospital.
They ______ _______ in that hospital.
(3) He’s tall and thin.
He ______ tall _____ thin.
(4) He wears a white uniform.
He ______ _______ a white uniform.
(5) I think he is great.
I _____ think he ______ great.
(6) My brother likes action movies.
My brother _______ _______ action movies.
(7) I have to make lunch at home. \
I _______ _______ ________ make lunch at home .
(8) He does some reading on Sunday.
He ______ _______ some reading on Sunday.
2. 一般过去时：
(1) It rained this morning .
It _____ ______ this morning .
(2) Cindy did her homework last night.
Cindy _______ ______ her homework last night .
(3) I studied for the math exam.
I ______ ______ for the math exam.
(4) We had some money for the taxi.
We ______ _______ _______ money for the taxi.
3. 其他：
(1) There are some students in the classroom.
There ______ ______ students in the classroom.
(2) There is a picture on the wall.
________ _______ a picture on the wall.
（3）There will be a football match between China and the USA.
________ _______ _______ a football match between China and the USA.