英语九大状语从句讲义.ppt

连接词before的小结： 1）It will be＋段时间＋before…“要过多久才……” It will be two years before he leaves the country. 2）It will not be long before…“不用多久就……” It won’t be long before she comes back. 3）It was +时间段+before 从句 “过了多久才……”（动作已发生） It was three weeks before he came back. 4）It was not long before…“没过多久就……了” 如： It wasn’t long before he left the country. 连接词since的小结： 5）It is/hasbeen＋时间段＋since sb. did It was＋时间段＋since sb. had done 如： It is/has been three years since I saw her last time. It will be two years before he leaves the country. It won’t be long before she comes back. It was three weeks before he came back. It wasn’t long before he left the country. It is/has been three years since I saw her last time. 还要过两年他才会离开这个国家。 没过多久他就离开这个国家了。 才过了三周他就回来了。 用不了多久她就会回来。 我和她已经三年没见面了。 巩固---翻译句子： 熟 读 深 思 2. 条件状语从句 说出下列红色字体的含义： ?He will play basketball after school if he finishes his work. ?I will not attend the meeting unless I am invited. 说出下列红色字体的含义： ?He can use the bicycle on condition ( that ) he returns it tomorrow. ④We didnt know what we should do once the money was used up. ⑤I shall go provided/providing ( that ) it doesnt rain. ⑥Suppose / Supposing ( that ) we miss the train, what shall we do? 条件状语从句常用连词有： if/ unless / once(一旦) / as long as /so long as / on condition (that)…（若是.../以...为条件）/ provided（如果，假如，在...条件下） / providing (that)…/suppose（假定，假设，设想） / supposing (that)…等。　　 归 纳 总 结 ?He can use the bicycle on condition ( that ) he returns it tomorrow. ④We didnt know what we should do once the money was used up. ⑤I shall go provided/providing ( that ) it doesnt rain. ⑥Suppose / Supposing ( that ) we miss the train, what shall we do? 巩固---翻译句子： 他可以使用这辆自行车条件是明天把它还回来。 一旦钱都花光了，我们将不知道该怎么办了。 假设不下雨，我就去。 假如我们错过了这趟火车，我们该怎么办？ 熟 读 深 思 3