be动词、助动词、情态动词讲解(基础篇)第一讲

C. are, likes
D. are, like
2. A:
How many days __ there in a week?
B:
There __ seven.
A. is, is
B. are, are
C. is, are
D. are, is
3. The boy __ ill today.
A. are
be
1、be动词的用法。
be am / is
was
单数
用单数，反之用复数。
◆句中含有be动词时：
肯定句：
主语＋be＋其他
否定句：
主语＋be＋not＋其他
一般疑问句：
Be＋主语＋其他＋？
特殊疑问句：
疑问词（what / who / when / where）＋be＋主语＋其他＋？
I am a teacher.You are right.She is 16years old.My father is at home.
B. is
C. be
D. am
4. What ___ your father ___?
A. do, like
B. is, like
C. are, likes
D. does, like
5. ___ you go to school by bus?
A. Are
B. Is
C. Do
D. Does
6. When ___ your birthday?
否定句：
主语+ didn’t +动词原形+其他+。
He / We didn’t get up early every morning last year.一般疑问句：
Did +主语+动词原形+其他+？
Did he / you get up early every morning last year?Yes, he / we did./No, he / we didn’t.特殊疑问句：
疑问词+情态动词+主语+动词原形+其他+ ?Why can she / they swim well?
Who can swim well?
练习
选择填空：
1. My brother __ a teacher. He __ his pupils very much.
A. is, like
B. is, likes
A. get
B. turn
C. grow
12. A:
How are you __ now?
B:
Much better, thank you.
A. getting
B. feeling
C. making
D. turning
13. He ___ swimming.
A. don’t likes
B. doesn’t likes
疑问词+ did +主语+动词原形+其他+ ?When did he / you get up every morning last year?★初中阶段，助动词一般只出现在否定句或疑问句中，助动词用在肯定句中表示强调。
3、情态动词的用法。
情态动词表示说话人的语气或情态。初中英语中，常见的情态动词有：
10. All my classmates climbed the Tai Mount last autumn.
11. The teacher asks us to clean the classroom.
12. He will go back to America at the end of the year.
16. The black gloves ___ for Su Yang.
17. This pair of gloves ___ for Jim.
18. Physics ____ my favorite subject.
19. The police ___ running after the thief.
A. are
B. is
C. do
D. does
7. Which __ bigger, the sun or the moon?
A. are
B. is
C. Be
D. ×
8. My teacher often ___ shopping on Sundays.
A. goes
B. gos
C. go
D. goed
特殊疑问句：
疑问词+ does +主语+动词原形+其他+？How often does he watch TV?
★主语为单数或不可数名词，谓语要用单数第三人称，反过来，看见动词用了单数第三人称，可以推知主语是单数或不可数名词。
()
1.How _____your dad help at home?
A.do
The students are playing games.My teacher was ill yesterday.
There is a picture on the wall.
There are two books on the table.
★ be动词用法歌：
我用am，你用are，is连接他她它。单数名词用is，ຫໍສະໝຸດ 数名词全用are。were
复数现在时过去时英语中，be动词选用单数还是复数，要由主语来定，主语是单数，就①主语为I或复数名词、代词时：
肯定句：
I / We / They / The students＋动词原形＋其他＋。
We watch TV every night.
变否定：
主语＋don’t＋动词原形＋其他＋。
We don’t watch TV every night.
9. Listen! The children_______.
A. sings
B. are sing
C. is sing
D. is sing
10. Her voice __ like my mother's.
A. sounds
B. sound
C. looks
D. look
11. It often rains and the crops __ fast.
C. not like
D. doesn’t like
14. What ___ they ___ on Saturdays?
A. does, does
B. do, do
C. do, does
D. does, do
15. Yang Ling___do exercise with__.
A. doesn’t, us
ⅲ.将下列句子先变成否定句，一般疑问句，再对划线部分提问。
1) Candy and Sam are cleaning their room.
2) Plants grow fast in spring.
3) My brother bought some flowers for my mother.
4) We write to each other twice a month.
B. don’t, we
C. /, us
D. don’t, us
I.填入适当的谓语动词
1. I ___ a boy. __ you a boy? No, I __ not.
2. The girl ___Jack’ssister.
3. The dog ___ tall and fat.
4. The man with big eyes ___ a teacher.
10. Whose socks ___ they?
11. That ___ my red skirt.
12. Who ___ I?
13. Thejeans ___ on the desk.
14. Here ___ a scarf for you.
15. Here ___ some sweaters for you.
B. does
C. is
()
2. ____ goes bad easily in summer.
A. Milk
B.Apples
C. Cakes
③过去时的句式（当句子时态为过去时时，动词用过去式，不受主语单复数的影响）
肯定句：
主语+过去式+其他+。
He / We got up early every morning last year.
5. ___ your brother in the classroom?
6. Where __ your mother? She ___ at home.
7. How ____ your father?
8. Mike and Liu Tao ___ at school.
9. Whose dress ___ this?
一般疑问句Do +主语+动词原形+其他+？
Do you watch TV every night?
Yes, we do./No, we don’t.
特殊疑问句：
疑问词+ do +主语+动词原形+其他+？How often do you watch TV?
②主语为单数名词或代词时：
肯定句：
主语+动词第三人称单数形式+其他+。
can (could),may (might),should,must,will (would),ought to,have to,need等。