高中英语Module5NewspapersandMagazinesSection3Grammar课件

6．表示“经常性或习惯性”的连词有： each time ，every time ，whenever 等。
He is busy working each time I see him. 每次我看见他，他总是忙着工作。 Whenever I see her ，she always wears a smile. 无论我什么时候看到她，她总是面带微笑。
When he had finished his homework ，he took a short rest. 当他完成作业后，他休息了一会儿。 (从句动作先发生 ) When I got to the airport ，the guests had left. 当我赶到飞机场时，客人们已经离开了。 (从句动作后发生 ) 2．while 作从属连词表示“在??过程中，当??时”，引导的从句强调 某一段时间内主句和从句的谓语动作同时发生，谓语动词常用延续性动词，从 句可以位于主句之前或之后。 While we were working in the fields ，it suddenly began to rain. 当我们在地 里劳动时，忽然下起雨来。 (主句动作发生在从句动作进行的过程中 )
10．________he comes，he telephones me first. 答案： Every/Each time 11．Mark needs to learn Chinese____________his company is opening a branch in Beijing. 答案： since/now that 12．__________________you are free tonight，why not drop in and play chess with me? 答案： Now that/Since
It was two weeks before everything returned to normal. 两星期后一切才恢复正常。 It won't be long before we meet again. 不久我们就会再见面。 He had left before I could say something. 我还没来得及说点什么，他就离开了。
Section Ⅲ Grammar
探究语法要点
时间状语从句和原因状语从句 一、时间状语从句 1．when 作从属连词表示“当??时”，引导的从句可以表示主句的动作 和从句的动作同时发生，或从句的动作在主句的动作之前或之后发生，从句谓 语动词可用非延续性的也可用延续性的。 when 引导的时间状语从句可以在主句 之前或之后。
课时语法专练
Ⅰ.用适当的连词填空 1．__________I got home，my parents had fallen asleep. 答案： When 2．________we were talking，the teacher came in. 答案： While 3．My wife kept silent________I was writing. 答案： while/when
它所引导的从句常放在主句前
since/ nowsince 常和 now that 互换，但 now 知的事实。常译为“既然” that 可用来说明一种新情况，然后 加以推理
I was late for school because I missed the first bus. 我上学迟到是因为我错过了头班车。 As he was in a hurry ，he left this bag home. 由于他太匆忙才把包丢在了家里。 Since it is late ，I shall go home now. 由于时间太晚了，我现在要回家了。 Now that the rain has stopped ，let's go home at once. 既然雨已停了，我们马上回家吧。
4．He went home________he had finished his homework. 答案： when 5．Hardly had he entered the classroom________the teacher began his lecture. 答案： when 6．________time goes by，we have a better understanding of things around us. 答案： As
5．表示“一??就”的连词有： as soon as ，the moment ，immediately ， no sooner...than ，hardly...when 。
I told him the news the moment I saw him. 我一看见他就把那个消息告诉他了。 No sooner had he got to the station than the bus left. 他一到车站，车就离开了。
3．as 作从属连词表示“当??时”或“一边??一边”， 动作和主句动作同时发生，强调伴随，有时译为“随着”。
As we walked along ，we talked happily. 我们边向前走边愉快地谈论着。
引导的从句中的
4．before 引导时间状语从句，可有多种意义：“??才”；“??就”； “还没来得及??就”等。
7．You must learn to consult your feelings and your reason______you reach any decision.
答案： before 8．—How long will it be________the professor makes another visit to China? —It all depends. 答案： before 9．________I have to give a speech，I get extremely nervous before I start. 答案： Whenever
二、原因状语从句
引导原因状语从句的常用连词有 because(因为)，as(由于)，since(既然)，now
that(既然)等。
语气最强，表示的是直接的理由。
because 可用来回答 why 引导的问句，可用 它所引导的从句常放在主句后
于强调句型
语气较弱，较口语化，表示较明显
as
的原因或已知的事实