1、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.现在分词的构成规律: ( 1 )一般情况下在动词末尾加-ing。例如: readreading,workworking ( 2 )以不发音字母e结尾的动词,去e加-ing。例如: makemaking,taketaking ( 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: putputting,stopstopping,beginbeginning,3.句型结构: 肯定句:主语+be( am/is/are )+现在分词+其他。例如: They ar
2、e playing soccer now.他们正在踢足球。 否定句:主语+be( am/is/are )+not +现在分词+其他。例如: He isnt watching TV.他没在看电视。 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 arent.是的。/不,不是。 特殊疑问句:疑问词+be( am/is/are )+主语+现在分词+其他?例如:
3、 What are you doing,Jim?吉姆,你正在做什么? Im listening to music.我正在听音乐。,4.现在进行时的判定方法: ( 1 )句中有now或表示当前一段时间的时间状语,如this week,these days时,常用现在进行时。 ( 2 )以look,listen开头的句子,常用现在进行时。,.根据句意用所给词的适当形式完成短文 Bob and Mike are in the same school,but they are in different classes.Bob 1. is having ( have ) an English class
4、Look!He 2. is talking ( talk ) to his English teacher in English.Mike 3. is having ( have ) a Chinese class.His teacher 4. is talking ( talk ) about Beijing Opera with them.The students 5. are looking ( look ) at their teachers.They 6. are listening ( listen ) carefully.But one of Bobs classmates 7
5、 is reading ( read ) a storybook,because he isnt good at English and he 8. doesnt like ( like ) English.,.按要求完成句子,每空一词 1.Jack cleans the blackboard every day.( 改为现在进行时 ) Jack is cleaning the blackboard now. 2.Im listening to the radio.( 改为一般疑问句 )Are you listening to the radio? 3.Jill is using the c
6、omputer 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?,.根据汉语意思完成句子,每空一词 1.孩子们正在谈论什么? What are the children talking about? 2.他父亲正在踢足球。 His father is playing football/soccer . 3.汤姆正在做作业吗? 不,他在写信。 Is Tom doing his homework ? No,he is writing a letter. 4.你妈妈正在等谁?Who/Whom is your mother waiting for ? 5.瞧!一条小狗在追一只小鸡。 Look!A dog is running after a chicken.,
