初一现在进行时
定义:表示现在或现阶段正在进行的动作。常与now, these days等时间状语连用,句首有 Look ! / Listen !等提示语。 I’m visiting my friends now. Look! He is sitting there.
:be动词(am ,is ,are) +动词的现在分词构成(动词-ing)
肯定句: be + doing 否定句: be + not doing
一般疑问句:Be动词提前到句子开头 +主语+doing
记忆口诀: 现在进行主动宾,be +动词-ing要记清; 助动词(am, is ,are) 跟着主语变, am, is ,are + -ing;
变疑问,助动词(am, is ,are) 后主语跟, 变否定,助动词(am, is ,are) 后not跟。
例句:
肯定句: I am working. He is working. They are working.
否定句: I am not working. He is not working. They are not working.
疑问句:Are you working? Is he working? Are they working?
回 答:Yes, I am . Yes, he is. Yes, they are.
No, I’m not. No, he isn’t. No, they aren’t.
注意:现在进行时的特殊用法:
1)现在进行时与always 连用时,往往含有赞扬、厌恶、责备等感情色彩。
如: He is always working 。(表示赞扬)
2)come, go, begin, start, leave 等动词常用现在进行时表示将要发生的动作。
She is leaving China tomorrow. I'm going to school.
3. 现在分词的变法规则:
当我们说某人正在做什么事时,动词要使用分词形式,不能用原形,构成如下:
一)一般在后加ing。如: sing-singing, see-seeing, play-playing, go-going, do-doing,
二)以不发音e的结尾的去掉e再加ing。如:write-writing, have-having, come – coming 来 ;close - closing关 ;make – making 制造ride – riding 骑; write - writing 写 ;take - taking 拿走 ; have – having 有 ;
三)以重读闭音节结尾且一个元音字母+一个辅音字母(注意除开字母组合如show –showing, draw-drawing)要双写最后的辅音字母再加ing。如:put-putting, run-running, get-getting, let-letting, begi
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