高中英语外研版必修二《Module 3 grammar》课件

When
When 还成心义为‘这时’，(at this time)‘那 时’(at that time) 常用于下列句型： Somebody was doing something when…… 某人正在做 ……突然 ……
Eg. I was reading English when my teacher came in.
＊After he worked there for 30 years, Haydn moved to London.
Having worked there for 30 years, Haydn moved to London. Note: 时间状语从句转换成分词短语时, 时 间状语从句的主语和主句主语必须 一致才可以。
3. My friend b__o_u_g_h_t (buy) the car two years ago.
外研版 高中英语 必修二
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教学课件
现在完成
过去完成
past now future
过去完成式表示在过去某个 时刻之前已经完成的动作。
过去完成时
1. 过去完成时的构成: “助动词had+过去分词” The public wondered why the president hadn’t attended the top conference.
外研版 高中英语 必修二
Module 3
Grammar
教学课件
Grammar
I. 时间状语从句 II. 过去完成时
时间状语从句
1). 常见的连接时间状语从句的连接词有: when, while, as, before, after, until/till, since, ever since(自..以来）, whenever, as soon as （一..就..), no sooner… than(一..就..), hardly / scarcely… when(刚…就…)等
Russia.
1. 他说他以前见过你。 He said that he h__a_d_s_e_e_n_ (see) you before.
2. 到去年为止他们已经学了2000个单词了。
By last year they _h_a_d_l_e_a_r_n_t ( learn ) 2,000 words.
Hewas watching (watch ) TV when the telephone ran.
While
视察： While they were doing homework, someone broke into the house. While he was still a teenager, he was a big star.
3. 到了六点钟为止，他们已经工作了八 小时了。
By six o’clock they h__a_d_w__o_r_k_e_d(work) for eight hours. 4. 我到广州时，他在那里很长时间了。 When I came to GZ , he h__a_d_b_e_e_n_ (be) there for a long time.
7. 在他们到达之前电影已经开始了。 Before they arrived here the film h_a_d_ already s_t_a_r_te_d_ (start).
1. I went to Tom’s house but he _h_a_d__g_o_n_e (go) out.
2. Annie told me that his father _h_a_d_g_o_n__e ( go ) to Paris and he w__o_u_ld__c_o_m__e ( come ) back in a few days.
分析：while引导的从句表示“在……进程中”，强 调某一段时间内主句和从句的动作在同一时期产生。 从句的动作表示较长时间，因此常用延续性动词。
While 表示强烈的对照关系，可译成“然而” She is tall while I am short.
While I was studying English, he was playing football.
as
试视察： 1) As they were picking tea(采茶）, the girls were
singing happily.
强调两个动作同时进行 2) As he grew older, he found it difficult to compose
good music.
两种情形一起发展变化某个时间或动作之前已经产生的
动作, 它表示时间是“过去的过去”。如:
➢The patient had died when the doctor arrived.
➢He had pressed the button before we could stop him. ➢When I had finished my everyday
5. 到上个月中旬我们在北京住了有五年 时间了。
By the XXX of last month we h__a_d_l_iv_e_d_(live) in Beijing for five years. 6. 她到家之前她的孩子已经睡着了。 When she got home her children h_a_d__s_le_p_t_ (sleep).
work, I did some gardening.
2.与某个时间段或时间点连用时, 一样过去时表示 动作在这个时间产生, 而过去完成时表示动作在 这个时间之前就已经完成。如:
➢ He learned Russian during his stay in Russia. ➢ He had already learned Russian during his stay in
分析： as引导的从句表示“当……时；一边……一 边……”，主句和从句的动作同时产生，强调相 伴。有时可译为“随着”。
2). 时间状语从句可以转换成分词短语。如: ＊ Boys need to develop their bodies fully
before they attempt such difficult exercise. Boys need to develop their bodies fully before attempting such difficult exercise.