【英语课件】Life is full of the unexpected课件3

3)我到达公共汽车站之前， 汽车已经离开 了。 Before I ___g_o_t _t_o___ the bus stop, the bus __h_a_d__ _a_l_r_e_a_d_y __le_f_t___.
4)我决定先买一杯咖啡，然后再去办公室。 I ______ ______ ______ go up to my officwe awshenabIoduetcidetdo to get a coffee first.
◆ When I got to school, I realized that I had left my backpack at home.
◆ By the time I got back to school, the bell had rung.
◆ Before I got to the bus stop, the bus had already left.
5)就在我和别的工作人员一起排队等候 的时候，听到了一个巨大的声响。
As I __w__a_s_ _w_a_i_ti_n_g_ ___in___ __l_in__e_ with the other office workers, I _h_e_a_r_d_ __a___ _lo_u__d_ _so_u__n_d_.
What First, Iahbaodutslyepotur What happened to you when tmheocrlnoicnkgw?ent
on a bad morning? off. Then by the time I ate breakfast, I had hurt my hand with a knife. Before I went to school, I had gone to the doctor.
Finish the task
1. 过去完成时的构成：_h_a_d__+__过__去__分__词___ 2. 过去完成时表示：
过__去__某__一__时__刻__或__动__作__之__前__已__经__发__生__或____ 完__成__的__动__作__。________________________ 3. 过去完成时常与 _w_h_e_n_,_b_e_f_o_r_e_, _b_y_t_h_e_t_i_m_e_等引导的时间 状语连用。
I had forgotten to have breakfast before I going to the office this morning. 今天早晨去办公室之前，我忘记吃早饭 了。
I had forgotten to have breakfast before I going to the office this morning. 今天早晨去办公室之前，我忘记吃早饭了。
4a
by the time or before.
1. Tim went into the bathroom. Mary got up. By the time Mary got up, Tim had already gone into the bathroom.
时态分析： “去办公室”是发生在过去的事情，而 “忘记吃早饭”发生在“去办公室”之前， 所以第二个谓语动作发生在第一个谓语之 前，是“过去的过去”，要用过去完成时。
表示过去某一时间或动作以前已经 发生或完成了的动作。它表示动作发生 的时间是“过去的过去”。
表示发生在过去的动作对过去的某 一点造成的某种影响或结果，用来指定 在另一个过去行动之前就已经完成了的 一个事件。
e.g. By nine o’clock last night, we had got 200 pictures from the spaceship. I had been at the bus stop for 20 minutes when a bus finally came. He said he had worked in that factory since 1949. Mr. Smith died yesterday. He had been a good friend of mine.
◆ As I was waiting in line with the other office workers, I heard a loud sound.
be about to do, be doing等表示即将 或正在做某事时，常用when引导从 句表示突然发生的动作。
Make sentences using
把下列短语翻译成英语。
1. 即将 2. 倒杯咖啡 3. 排队等候 4. 起床 5. 出去
be about to get a coffee wait in line get up get outside
6. 迟到 7. 到时候 8. 闹铃响 9. 开始做某事 10. 搭便车
来自百度文库
be late for by the time go off start doing sth. give sb. a lift
根据汉语提示完成句子。
1)当我到达学校的时候，我才意识到我把书 包忘在家里了。
_W__h_e_n__ I got to school, I realized that I __h_a_d__ __le_f_t__ my backpack at home. 2)到我返回学校的时候，铃声已经响过了。 __B__y_ _t_h_e__ t_i_m_e__ I got back to school, the bell __h_a_d__ __ru__n_g__.
由when, by the time, before等引导时间状语 从句时，若描述发生在过去的事，主句常用 过去完成时(had + 过去分词)表示动作发生在 过去的过去。
◆ I was about to go up to my office when I decided to get a coffee first.