Unit 6
单元语法专练
现在进行时( 一 )
1.定义:表示现在或者现阶段正在进行的动作或存在的状态。
2.句型结构。
( 1 )肯定句:主语+be( am/is/are )+现在分词+其他。例如:
They are playing soccer now.他们正在踢足球。
( 2 )否定句:主语+be( am/is/are )+not +现在分词+其他。例如:
He is not/isn’t watching TV.他不在看电视。
( 3 )一般疑问句:Be( Am/Is/Are )+主语+现在分词+其他?
肯定回答:Yes,主语+be( am/is/are )。
否定回答:No,主语+be( am/is/are )+not。例如:
—Are they shopping?她们在购物吗?
—Yes,they are./No,they are not/aren’t.是的,她们在购物。/不,她们不在购物。
( 4 )特殊疑问句:疑问词+be( am/is/are )+主语+现在分词+其他?例如:
—What are you doing,Jim?吉姆,你正在做什么?
—I’m listening to music.我正在听音乐。
3.现在进行时的判断方法。
( 1 )句中有now或表示当前一段时间的时间状语时,如this week,these days等,常用现在进行时。例如:
What courses are you studying this week?你这周学哪几门课?
( 2 )以look,listen开头的句子,常用现在进行时。例如:
Listen!Birds are singing.听!鸟儿们在歌唱。
4.现在分词的构成规律。
( 1 )一般情况下在动词末尾加-ing。例如:
read→reading,work→working
( 2 )以不发音字母e结尾的动词,去e再加-ing。例如:
make→making,take→taking
( 3 )以重读闭音节结尾,且末尾只有一个辅音字母的动词,先双写这个辅音字母,再加-ing。例如:
put→putting,stop→stopping,begin→beginning
Ⅰ.根据句意用所给词的适当形式填空
Bob and Mike are in the same school,but they are in different classes.Bob 1. is having ( have ) an English class now.Look!He 2. is talking ( talk ) to his English teacher in English.Mike 3. is having ( have ) a Chinese class now.His teacher 4. is talking ( talk )about Beijing Opera( 京剧 ) with them.The students 5. are looking ( look ) at their teachers.They 6. are listening ( listen ) carefully.But one of Bob’s classmates 7. is reading ( read ) a storybook,because he isn’t good at English and he 8. doesn’t like ( like ) English.
Ⅱ.按要求完成句子,每空一词
1.Jack cleans the blackboard every day.( 用now改写句子 )
Jack is cleaning the blackboard now.
2.I’m listening to the radio.( 改为一般疑问句 )
Are you listening to the radio?
3.Jill is using the computer now.( 对画线部分提问 )
What is Jill doing now?
4.Is Steve studying for a test?( 作肯定回答 )
Yes , he is .
5.Do you play soccer?( 改为现在进行时 )
Are you playing soccer?