英语语法精选.ppt

* Grammar (I) Read the sentence and choose the best explanation. The moment I heard it, I knew it was a completely new kind of music. I only heard it for a moment… (b) For a few seconds when I heard it… (c) As soon as I heard it… (c) Some explanations of adverbial clauses of time: (1) 时间状语从句通常用下列从属连词来引导: after, before, as, once, till, until, (ever) since, when, whenever, while, now (that), as long as, as soon as.如： ① Now (that) you’ve grown up, you must stop this childish behavior. ② Whenever we met with difficulties, they came to help us. when, while, as的区别 1) 译成“当…时候” 时: when+从 句(从句动词是延续性或短暂性动词都行) while+从 句(从句中谓语动词只能用延续性动词) 一般为be doing形式 as + 从句(两个动作同步进行) 翻译成 “一边…一边… ” 如: When the fire broke out, I was watching TV. The telephone rang while I was cooking. The farmer whistled as he milked. 2) 特殊用法 when表示“正要…, 这时…发生了”与be about to… be on the point of… 连用 如: We were about to leave when he came in. while表示并列对比 ②“尽管…” 如： While he is strong, his brother is weak. ① “因为…” ②“尽管…” 让步的内容 + as + 其它成分 Failed as he again, he decided not to give up. 用when/while/as完成下列句子。 1. _____ I went into the classroom, he was reading. 2. _____ he was speaking, everybody listened carefully. 3. I was about to go out _____ a visitor came. 4. He was on the point of going to bed _____ the doorbell rang. A. while B. as C. before D. when When While When D 1. ___ John was watching TV, his wife was cooking. A. As B. As soon as C. While D. Till 2. There is plenty of rain in the south _____ there is little in the north. A. while?? B. as? C. when??? D. so C A 表示“一……就……”时间状语从句　 As soon as+句子 还有三种类型的连词 名词: the moment/ minute/ second +句子 The moment I saw her, I cried out. 副词: immediately/directly/instantly+句子Immediately he came, I told him the news. 句式: no sooner……than…… hardly/scarcely.……when…… 1. I recognized you ____ I saw you at the airport. A. the m