内容正文:
Unit7 The Internet
同步练习
基础巩固
一、现在进行时重点知识回顾
现在进行时通常用来描述正在进行的动作或将要发生的事。
肯定句结构:
主语+be+v-ing +其他
Eg:
He is running. 他正在跑。
The students are cleaning the classroom now .学生们正在教室打扫。
否定句结构:
主语+be+not+v-ing +其他
Eg:
He is not running. 他没有正在跑。
The students aren’t cleaning the room now. 学生们没有正在教室打扫。
一般疑问句结构:
肯定答语Yes,主语+be.
否定答语No,主语+be not.
Eg:
Is he running?
Yes, he is. No, he isn’t.
特殊疑问句结构:
“疑问词+be +主语+v-ing+其他?”
a. 对谓语动词进行提问的:What+be +主语+doing+其他?
Eg: What is the man doing under the tree?
b. 对其他成份进行提问的,疑问词+一般疑问句?
Eg: Where is the boy swimming?
基本用法:
(1)表示(说话瞬间)正在进行或发生的动作。常见的时间标志词:now、at the moment......
Eg: I’m visiting my friends now.
(2)表示现阶段正在进行的动作或存在的状态。常见的时间标志词:these days、this week、this month......
Eg: His is learning English this year.
现在分词变化规则:
1、 一般在词尾加-ing(一般-ing)。
Eg: going,playing,knowing。
2、 以不发音的字母e结尾,先去e再加-ing(去哑e)。
Eg: making,arriving,coming。
3、 以重读闭音节结尾,且词尾只有一个辅音字母(而辅音字母前边只有一个元音字母)时,先双写这个辅音字母,再加-ing(重闭单辅先双写)。
Eg: swim-swimming、run-running、put-putting、sit-sitting、
begin-beginning、plan-planning、cut-cutting、get-getting
4、 以-ie结尾,先将-ie改成y,再加-ing。
Eg: tying,dying,,lying。
能力进阶
二、写出下列动词的现在分词形式:
work_______ sing_______
play_______ study_______
have ______ dance______
write______ take________
run______ sit_________
shop______ swim_______
lie________ die________
begin_______ get_______
三、单项选择
1、Look! The twins_____their mother do the housework.
A. are wanting B. help
C. are helping D. are looking
2、_____are the birds doing? They are singing in a tree.
A. Who B. What
C. How D. Where
3、Is she____something?
A. eat B. eating
C. eatting D. eats
4、Tom wants _________ homework now.
A. doing B. to do
C. to do my D. do my
5、It’s time _________.
A. go to school B. play games
C. to go home D. to do my homeworks
6、The boy is _________ to h