现在进行时定义、构成、用法

2023-03-01 19:54:24 文档大全网 [ 字体：小中大 ] [ 阅读： ]

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进行时,用法,构成,定义,现在
现在进行时

一、现在进行时的定义，构成，标志性词语

定义：表示现在或现阶段正在进行或发生的动作或存在的状态。构成：由be(am/is/are)+动词-ing形式构成标志性词语：

1.现在进行时.通常用“now”。 2.现在进行时.通常用“look”。 3.现在进行时.通常用“listen”。二、动词现在分词的构成规则 1 一般情况下直接加ing

think--- sleep--- study--- speak--- say --- carry--- 2 以不发音的字母e结尾的单词,去掉字母e，再加ing

come--- make--- leave--- have--- take--- wake--- take---

3 以重读闭音节（重读闭音节即两个辅音中间夹一个元音并且重读的音节）结尾，呈现 “辅，元，辅”结构的动词，双写末尾的辅音字母，再加ing

stop--- get --- sit --- put--- sit--- run--- shop------ swim------ 三、现在进行时的用法

（1）用来表示说话时正在进行或者发生的动作，

（2）用来表示现阶段正在进行的动作（但说话时不一定在进行）四、现在进行时的句型变化

1、肯定式结构：主语+be+动词-ing形式+其他. 例如：We are running now.

2、否定式结构：主语+be+not+动词-ing形式+其他. 例如：They aren’t doing their homework.

3、一般疑问句式结构：Be+主语+动词-ing形式+其他？例如：Is she having English lesson? 回答：肯定Yes, she is. 否定:No, she isn’t. ? 特殊疑问句式结构：疑问词+be+主语+其他？例如:What is he doing now? 回答：He is swimming.

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现在进行时巩固练习

一. 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______ 二.按要求改写句子

1. The boy is playing basketball.

否定句：____________________________ 一般疑问句：_________________________ 肯定回答：______________________ 否定回答：______________________ 2. They are singing in the classroom.

否定句：____________________________ 一般疑问句：_________________________ 肯定回答：____________________ 否定回答：______________________ 三. 用现在进行时完成下列句子

1. What _________ you __________ (do)? 2. I _____________ (sing) an English song. 3. ______ she ___________ (sit) in the boat? 4. We _______________ (play) games now.

5. What are you _________(do) now? I ___________(eat) bread.

6. __________he__________(clean) the classroom?

No, he isn’t. He____________(play). 7. Where is Max? He___________(run) on the grass.

8. Listen, who____________(sing) in the music room? Oh, Mary_____________(sing) there. 四。选择题

1. Who _____ over there now?

A.singing B. are sing C. is singing D. sing 2. It’s eight o’clock. The students _____ an English class.

A. have B. having C. is having D. are having 3. Mrs. Read _____ the windows every day. A. is cleaning B. clean C. cleans

4. We _____ music and often _____ to music. A. like/ listen B. likes/ listens C. like/ are listening

5. She _____ up at six in the morning. A. get B. gets C. getting

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