外研社高一英语必修二M5-Module-5--Period-3.ppt

Module 5 Newspapers and Magazines Period 3 Grammar 时间状语从句和原因状语从句 【温故知新】 阅读下列教材中的句子并写出黑体部分引导的何种从句。 ①While he was travelling in space, Yang spoke to two astronauts aboard the International Space Station. 　( ) ②When he was orbiting in the capsule, he took photographs of planet earth. 　( ) 时间状语从句 时间状语从句 ③“As you have asked me so nicely, ”said Sharon, “I’d be delighted to sign your arm. ”　( ) ④Since no one else saw the aliens, not many people believe Mr Bates. 　 ( ) ⑤Now that I have made this first visit, I hope I can come many more times. 　( ) 原因状语从句 原因状语从句 原因状语从句 【考点诠解】 Ⅰ. 时间状语从句 引导时间状语从句的连词, 常见的有when, while, as, before, after, since, until, as soon as等。 1. when/while/as引导的时间状语从句。 (1)when引导的时间状语从句中谓语既可是延续性动词也可是非延续性动词。when引导的从句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之前, 或之后发生。 ①It was raining _____ ___ _______. 当我们到的时候, 天正在下雨。(主从句动作同时发生, arrive为非延续 性动词) ②______ ____ ____ ___ _____ a second time, the meaning will become clearer to you. 当你再次读这首诗的时候, 它的意义将变得更加清晰。(从句动作在主 句动作之前, read为延续性动词) when we arrived When you read the poem ③The train had left _____ _ ___ __ ___ ______. 我到车站的时候, 火车已经离开了。(从句动作在主句动作之后, get为 非延续性动词) when I got to the station (2)while意为“正当……的时候/在……期间”, 强调主、从句的行为或状态同时发生, 其从句中谓语必须用延续性动词。 ①Don’t talk so loud _____ ______ ___ ________. 当别人在工作的时候, 不要那么大声地谈话。 ②Would you look after the children _____ I ___ ___ ________? 我买东西的时候你能不能照看一下孩子? while others are working while do the shopping 【悟一悟参透误区】when与while有不同 当when从句谓语是延续性动词时, 可与while通用。当主、从句的动作发生有先后时, 只能用when。 ※When/While I was in New York, I met him twice. 在纽约时, 我见过他两次。 ※When I got there, the plane had taken off. 当我到达那儿时, 飞机已经起飞了。 (3)as引导时间状语从句时, 侧重于主、从句动作同时发生, 常译为“随着……/一边……一边……”。as所引导从句的谓语只能是动作动词, 不能是状态动词。 ①As you grow, you know more and more. 译: ___________, 你知道的会越来越多。 ②As she was