初一英语一般现在时讲解及练习.doc

一般现在时( Simple Present Tense)

定义：表示通常性、规律性、习惯性、真理性的状态或者动作的一种时间状态。

一、出现以下情况是用一般现在时：
1)经常性、习惯性的动作或存在的状态。（当表示习惯性动作时，常与频度副词连用，常见的频度副词有 always, often, usually, sometimes, hardly ever, never等。）
e.g. I go to school on foot.
I often do my homework at 7:00.
He usually goes to the park on Sunday morning.
He is very busy now.
2)表示主语的特征、性格、能力、爱好等。
e.g. He can swim.
I work hard.
I like watching TV.
3)表示客观真理
e.g. There are seven days in a week.
The moon moves round the earth.

二、 一般现在时的句式变化：
1、 动词be
联系动词be是表示谓语关系的动词，它的后面必须加表语（通常为名词、形容词或介词短语）。在一般现在时中，be动词有三种形式：
am (第一人称单数I)
is (第三人称单数he, she, it)
are (第二人称you以及第一、第三人称复数we，they）

肯定式
否定式
I am...
You are...
He/She/It is...
We/You/They are...
I am not...
You are not...
He/She/It is not...
We/You/They are not...

疑问式和简略答语
Am I...?
Yes, you are.
No, you are not.
Are we...?
Yes, we/you are.
No, we/you are not.
Are you...?
Yes, I am.
No, I am not.
Are you...?
Yes, we are.
No, we are not.
Is he/she/it...?
Yes, he/she/it is.
No, he/she/it is not.
Are they...?
Yes, they are.
No, they are not.

肯定式
否定式
其它
I’m= I am
You’re= you are
He’s=he is
She’s= she is
It’s=it is
We’re= we are
They’re= they are
Aren’t= are not
Isn’t= is not
That’s= that is
What’s= what is
Who’s= who is
Where’s= where is
My name’s= my name is

一、用be的适当形式填空

1.---How____ you? ---I____ fine.
2.I___ David,and my family name___ Green.
3.---What color ___ your clock? ---It___ white.
4.---What___ this in English?---It___ an apple.
5.Toy___my brother.David____my brother,too.They ___ my brothers.
6.Look!These____apple trees.
7.We____ good students and you____ good teacher.
8.My sister and my brother_____ students.
9. _____there many eggs in the kitchen?
10.____your card number 5578?
11.Where_____ your pencils?
12.These sweaters ______ fifty dollars.
13.How much ____ his jacket?
14.My brother’s birthday____ December 11th.
15.When _____ Kate’s birthday?
16、There_____a boy and two girls beside the gate.
17、Five and three ____ eight.

二 、.将下面的句子变成一般疑问句。
1. That is my football.

2. Those are his books.

3. Jim and Tom are good friends.

4. My birthday is November 1st.

5. His son is twelve years old.

三、将下面的句子变成否定句

1. His card is on the table.

2. These are my parents.

3. Bob and Tony are our friends.

4. These things are five dollars.

5. The girl is his sister.

四、划线提问
1. Our teachers are in the classroom.

2. The girl’s telephone number is 032-55746.

3. Her pen is black.

4. September 10th is Teachers′ Day.

5. They are thirteen years old.

6. The boy is fine.

7. The old man is my grandfather.

8. These eggs are five yuan.

2、实义动词do.
1)表示动作， 一般人称作主语的，变否定句须在动词前加助动词don’t；变一般疑问句须在句首加助动词do。
E.g.肯定句 They have lunch at 12:00.
否定句 They don’t have lunch at 12:00.
疑问句 Do they have lunch at 12:00?
2）单三人称做主语的，变否定句须在动词前加助动词doesn’t；变一般疑问句须在句首加助动词does。
e.g. 肯定句：He goes to school by bike.
否定句：He doesn’t go to school by bike.
疑问句：Does he go to school by bike?
实际操练
1. I have many books. （改为否定句）

2.Tom does his homework at home.
否定句:
一般疑问句：
3.Mingming usually waters the flowers.
否定句:
一般疑问句
4.Su Yang usually washes some clothes on Saturday.
否定句:
5. I usually play football on Friday afternoon.
否定句:
一般疑问句：

强化训练
一、写出下列单词的第三人称单数形式
1. work__________     read__________     clean__________     write__________
2. teach__________     wash__________     guess__________     watch__________
3. go__________      do___________   
4. study__________     fly__________     cry__________     play__________
5. have__________
二．选择
( 　) 1. _____ you have a book?
　　A. Do　 B. Are　 C. Is　 D. Have
(　 )2. They _________ on a farm.
　　A.are working　 B. is work　 C. working　 D. is worked
(　 ) 3. Does Peter like to watch TV?__________.
　　A. Yes, he like　 B. No, he doesn’t　 C. Yes, he’d like　 D. No, he likes
( 　)4. She doesn’t __________ her homework in the afternoon.
　　A. doing　 B. to do　 C. does　 D. do
( 　)5. How ____________ Mr. Brown ___________ to America?
　　A. do, go　 B. is, go　 C. does, go　 D. does, goes
(　 )6. Where’s my camera? I____________ it.
　　A. am not finding　 B. am not seeing　 C. can’t find　 D. can’t look at
(　 )7. How ___________ he go to work? He ___________ to work by bike.
　　A. does; go　 B. do; goes　 C. do ; go　 D. does; goes
( 　)8. ______ you usually late for school? No, _____________.
　　A. Do; I am　 B. Does ;not　 C. Are ; I’m not　 D. Are ; I aren’t
(　 )9. _____ she _____ home at six every day?
　　A. Is , leave　 B. Does , leave　 C. Is , leaves　 D. Does , left
( 　)10. Mr. Yang ____________ English this term.
　　A. teaches our　 B. teaches us　 C. teachs us　 D. teach our
三．用所给动词的适当形式填空。
1. My classmate ______ (know) the man on the bike.
2. His sister usually ______ (go) to school at 7:00 am.
3. Lin Tao ______ (like) his new sweater.
4. Let me ______ (have) a look.
5. Let’s ______ (play) tennis!
6. ______ he ______ (like) English?
7. I want ______ (go) to a movie.
8. He ______ (not know) the teacher’s name.
9. Nice ______ (meet) you!
10. Can I ______ (ask) the policeman?
11. ______ (sit) down and ______ (have) a cup of tea.
12. ______ (not look) at your book!
13. ______ you ______ (can see) the bananas on the table?
14. I need ______ (buy ) some new clothes.
15. She likes ______ (play) chess.
16. It’s time ______ (play) games.
17. You must v (be) a good student.
18. She must ______ (sing) well.
19. He ______ (have) an egg and a banana for breakfast.
20. Li Min ______ (take) a shower after lunch.
21. People usually ______ (eat) dinner in the evening.
22. What time ______ Mary usually ______ (play) basketball ?
23. This boy likes ______ (play) chess with his father on weekends .
24. Where   ______ his parents ______ (work) now, do you know?
25. Who ______ (teach) you English in your school?
26. Helen, ______ (not be) late for class again.
27. I don’t like the movie. It’s ______ (born).
28.   ______ (not look) at the pictures. ______ (listen) to me.
29. Little Tom can ______ (ride) a horse.
30. The weather ______ (be ) windy to day.

四、改句子
1.Do you often play football after school? (肯定回答)

2. He doesn’t have any paper.(改为肯定句)

3.Gao Shan's sister likes playing table tennis （改为否定句）

4.She lives in a small town near New York. （改为一般疑问句）

5.I watch TV every day. （改为一般疑问句）

6 We have four lessons.（否定句）

7. Nancy doesn't run fast （肯定句）

8. .Mike has two letters for him. （一般疑问句）