7状语从句.ppt

Adverbial Clauses 状语从句 状语从句的分类 时间状语从句 原因状语从句 条件状语从句 地点状语从句 目的状语从句 结果状语从句 比较状语从句 让步状语从句 方式状语从句 时间状语从句应注意的问题 (一) when, while, as 引导的时间状语从句 1．表示动作的先后顺序，即某一动作发生之后，另一动作才发生，用when. When I got to the station, I found the train had left. (1) _____ she grew older, she gained in confidence. (二) 由till, until引导的时间状语从句 1)We do not realize the value of health until /till we lose it. 2) I worked until / till he came back. 3)_______ she told me, I had no idea of what they had said. 4) It was not until the nineteenth century that Vicos work was given its true recognition.? (三) 由immediately, as soon as, the moment… 引导的时间状语从句, 表示“一…就…”， 他一看见老师脸色就变了。 The moment he saw the teacher, he turned pale. no sooner…than…, hardly / scarcely…when…,刚…就..., 注意这一结构的时态搭配 我刚回到家就开始下雨了。 （正常语序 / 倒装） I had hardly got home when it began to rain. = Hardly had I got home when it began to rain. 2.地点状语从句 比较： I will go where he went. I’ll go wherever he goes. 3.原因状语从句 原因状语从句：由 because, since, as , now that, for引导。 --- Why didn’t he attend the meeting? --- It was __________ he was ill. Wear strong shoes ___________ we shall do a lot of walking today. 4.目的状语从句 1．I’d like to arrive 20 minutes early ____ I can have time for a cup of tea. A. as soon as B. as a result C. in case D. so that 2. I lent him 50 dollars ___________________ he might go for a short holiday. 5.结果状语从句 (一) so that, so…that, such…that引导的结果状语从句。 改错 1．There are such many things to be done that I find no time to go to the cinema. 2．She got such little education that she could hardly do a simple maths problem. 由if, unless (if not), so/ as long as, once (一旦), suppose/ supposing (that), on condition that, in case 等引导。 Suppose (supposing) he is ill, who will take over his job? You may keep the book a further week provided that no one else requires it. Once environmental damage is done, it takes many years for the ecosystem