译林版9年级英语上册教案课件-第6课-语法讲解：状语从句和状语的转换

1、精选文档语法讲解：状语从句和状语的转换状语从句主语和从句一致时，转换为分词短语。After he turned off the recorder , he went out of the room .Having turned off the recorder , he went out of the room .When the city is seen from the mountain , it looks much more beautiful Seen from the mountain , it looks much more beautiful.状语从句主句和从句不一致，转换为独

2、立主格结构。If weather permits , well have the meeting in the open air . (With) Weather permitting, well have the meeting in the open air 状语从句转换为介词短语：由after/before/ since/ as soon as等引导的时间状语从句，可改为after/before/ since/on+动名词短语结构。当主从句主语不一致，可使用动名词的复合结构Before he dived into the lake , he made a deep breath . Be

3、fore diving into the lake , he made a deep breath . He stood in the front of the classroom in order that he could see the picture clearly .He stood in the front of the classroom in order to (so as to /to ) see the picture clearly .doing 和to do 都具备名词的功能，在句子中作主语、宾语、表语等，区别如下：doing表示状态、性质、经常性； to do表示具体

4、的、一次性的、将发生的动作。以下动词后，只能跟不定式做宾语：agree, ask, aim, arrange, choose,decide, demand, expect, fail, help,learn, long, manage, offer, plan,prepare, pretend, promise, refuse, wish以下动词后，只能跟-ing做宾语：admit, appreciate, consider, delay,enjoy, finish, keep, imagine, mind,miss, practice, resist, risk, save,suggest,

5、 dont mind, give up,insist on, put off在下列一些动词后，即可接doing形式也可接to do形式，但意义有所不同：在need, require, want后接-ing形式，表示被动意义,也可接to be done;hate, love, like接不定式表示特定的未来事件,接-ing形式表示目前正在进行的活动或一般的行为在下列情况下，一般要用不定式：1）hate, like, love前有 would/should 时2）当谓语动词begin, continue, start 等是进行式时3）begin, continue, start与know, understand等状态动词连用时forget, remember, regret to do表示现在或未来的动作；forget, remember, regret doing表示动作已经发生。mea