时间状语从句专项.ppt
《时间状语从句专项.ppt》由会员分享,可在线阅读,更多相关《时间状语从句专项.ppt(24页珍藏版)》请在三一办公上搜索。
1、Welcome,Geng Zhongliang,Daan Vocational Education Center,Adverbial Clauses 状语从句,掌握状语从句的关键,1.准确掌握每一个连词的含义。2.注意主句和从句的时态呼应。,条件状语,原因状语,目的状语,地点状语,比较状语,结果状语,时间状语,让步状语,方式状语,Adverbial clauses of time,时间状语从句,引导时间状语从句的普通类从属连词有when(当时),while(在期间),as(当,一边一边),before(在之前),after(在之后),since(从以来),till/until(直到),when
2、ever(无论何时),as soon as(一就)等。,1.My mum was cooking when I got into the kitchen.2.Ill call him as soon as I get there.3.While he was watching TV,his father came in.,时间状语从句,时间状语从句,时间状语从句,Do you know the sentences?,1.连接词when,while的用法区别,1).When/While he was eating his lunch,the doorbell rang.When I stoppe
3、d my car,a man came up to me.小结:while引导的时间状语从句的谓语动词必须是可延续的,而when引导的时间状语从句的谓语动词是可延续的,也可以是表短暂性动作的动词。2).When you have finished your work,you may have a rest.小结:从句动作发生在主句动作之前时,只能用 when引导这个从句,而不能用while。,2.用while,when填空:,_ I was walking down the street,I noticed a police car in front of the store._ John a
4、rrived,I was cooking lunch.I was wandering(徘徊)through the street_ I caught sight of a tailors shop.,When/While,When,when,总结:相当于and at this/that time。意思为“正在/刚要这/那时(突然)”,3、When 的特殊用法,We were having a class when someone broke in.(突然有人闯了进来).We were about to set off when it began to rain.(这时开始下雨了),4).unt
5、il/till(不用于句首),He did not go to bed until he finished his work.(直到才),=Not until he finished his work did he go to bed.,注意:not until 在句首时主句要倒装,5).before“还未就”,“不到就“才”;since“自从”,We hadnt run a mile before tired.(我们还没跑到一里就累了)Do it now before you forgetI have been teaching here since I graduated,Practisi
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- 时间 状语 从句 专项

链接地址:https://www.31ppt.com/p-6299336.html