人教版八年级下册英语Unit 5 Section A Grammar Focus and Self c

1、Unit 5,What were you doing when the rainstorm came,Section A Grammar Focus & Self check,1,How was the weather when the news on TV was,reported,2. What was Bens father doing while Bens mom was,making sure the flashlights and radio were working,3. What was Ben doing when the heavy rain finally started

2、,The strong winds were blowing and black clouds were,making the sky very dark when the news on TV was,reported,Bens father was putting pieces of wood over the windows,while his mom was making sure the flashlights and radio,were working,Ben was helping his mom make dinner when the heavy rain,finally

3、started,1,The strong winds were blowing and black clouds were,making the sky very dark,when the news on TV was,reported,2,Bens father was putting pieces of wood over the windows,while his mom was making sure the flashlights and radio,were working,3,Ben was helping his mom make dinner,when the heavy,

4、rain finally started,Tense: Past progressive tense,was/were doing,P109,Past progressive tense,Adverbial of time in the past progressive tense,at,8:00,last,night,at,the,time,of,the,rainstorm,at,that,moment,at,that,time,the,whole,morning,all,day,yesterday,from,nine,to,ten,last,night,phrases,sentences,

5、Adverbial of time in the past progressive tense,when while,Adverbial clause of time,时间状语从句,main clause,主句,subordinate clause,从句,when,while,when,while,main clause,主句,subordinate clause,从句,1. Observe the,tense,in the main clause and subordinate clause,过去进行时,一般过去时,过去进行时,过去进行时,2. Observe the,time,in the

6、 subordinate clause,when,while,at that time,during the time,e.g. He wrote some stories when he was in college,during the time,3. Observe the,verb,in the subordinate clause,when,while,瞬间动词,come, begin,延续性动词,sleep,延续性动词,e.g. I was taking a shower when you called,延续性动词表示能够,延续,的动作。如,study,work,stand,lie

7、,know,walk,keep,have,wait,watch,sing,read,sleep,live,stay,等,瞬间动词,延续性动词,瞬间动词（非延续性动词），表示不能延续的动作,这种动作发生,后立即结束。如,open,die,close,begin,finish,come,go,move,borrow,lend,buy,arrive,leave,等,when,at,or,during,the,time,时间点或一段时间,while,during,the,time,一段时间,Differences between “when” and “while,Tense,Time,Verb,瞬间

8、动词,延续性动词,延续性动词,While,When,When,While,while,过去进行时,Main clause,主句,Subordinate clause,从句,一般过去时,when,一般过去时,过去进行时,Which action is longer,2,While,John was playing the piano, Mary left the house,John was playing the piano,when,Mary left the house,3,While,John was cleaning his room, Mary turned on the,radio.= John was cleaning his room,when,Mary turned on,t