内容正文:
现在进行时
1.掌握现在进行时的变化结构;
2.掌握现在进行时的含义及时间状语;
1. 时间状语:now,at this time,at this moment,listen,look……
2. 现在分词构成:
(1) 直接加ing:go-going
(2) 以不发音的字母e结尾,去e加ing:have-having
(3) 末尾加一元加一辅,双写辅音字母加ing:get-getting
3. 现在进行时构成:
(1) 肯定式:be+v-ing
(2) 否定式:be+not+v-ing
(3) 一般疑问句:be动词题前
肯定回答:Yes,主语+be
否定回答:No,主语+be not.
1. 含义:表示现在进行的动作或存在的状态。
2. 变化规则:
情况
变化
原型----ing形式
一般动词
加ing
read-reading
wash-washing
以不发音字母e结尾的动词
去掉e,再加ing
make-making
write-writing
以重读闭音节结尾的动词且末尾只有一个辅音字母
双写最后的辅音字母,再加ing
run-running
swim-swimming
3. 时间状语:可用来表示现在进行时的时间状语,常用的有:now,this week,right now……;或者告诉你一个准确的现在时间,或者用look,listen(常用于句子的开头,表示提醒听者注意正在发生的事情)
例句:They are playing basketball now. 现在,他们正在打篮球。
Look at the picture,the children are flying kites in the park. 看这幅图,那些孩子正在公园放风筝。
4. 句型结构:
肯定形式:主语+be(am/is/are)+doing
例句:I am singing.
否定形式:主语+be(am/is/are)+not+doing
例句:I am not singing。
一般疑问句及回答:be(am/is/are)+主语+doing
例句:Are you singing?Yes,I am./No,I am not.
特殊疑问句及回答:特殊疑问词+be(am/is/are)+主语+doing
例句:What are you doing?We’re playing.
综合练习
I. 用现在进行时完成下列句子.
1. ______you__________(fly) a kite? Yes,_______.
2. ______you___________(sit) in the boat?
3. ______he_____________(talk) with me?
4. We_______________(play) football now.
5. What_________you__________(do)?
6. I_____________(sing) an English song.
7. What________he____________(mend)?
8. He______________(mend) a car.
9. These boys _________ (play) tennis on the playground.
10. My mother______________ (cook) in the kitchen.
11. We can’t help you,because we ____________ (have )classes.
12. ________ the boy ___________ (write) his homework?
13. Look! These butterflies _________ (fly) in the sky.
14. Listen! The girl ___________ (sing) in the next room.
15. The naughty boy __________ (swim) in the river.
【参考答案】
1. Are ,flying,I am
2. Are sitting
3. Is,talking
4. are plying
5. are,doing
6. am singing
7. is,mending
8. is mending
9. are plying
10. is cooking
11. are having
12. Is ,writing
13.