2014人教新目标九年级英语Unit12课件.ppt

1、Unit 12 Life is full of the unexpected.Section A 1a2cget _ _ go _ _ leave _ _oversleep _ _ have _ _ give _ _你能写出下列不规则动词的过去式和过去分词吗？你能写出下列不规则动词的过去式和过去分词吗？ring _ _run _ _wake _ _ put _ _rang rungran runwoke wakengot got/gottenwent goneleft leftoverslept overslepthad hadput putgave givenDo you remember

2、any unexpected situation in your daily life?Maybe you are a black horse.What do you think of the people in these pictures?They look scared/sadHe broke his arm.He is getting an electric shock.What happened to the boy?Unit 12 Life is full of the unexpected.I was late for work today.When I got up,I fou

3、nd my clock had rung.It was 7:30.When I went out,I found the bus had already left.1aLook at the pictures.What Look at the pictures.What happened to the girl?happened to the girl?Tinas Bad DayShe got up late.She overslept.Tell a storyoversleep (overslept,overslept)v.睡过头；睡得太久睡过头；睡得太久复合词中的复合词中的over常有常有

4、“过于过于”之意之意Dont oversleep,Dean!You are to be late.迪恩，别睡过头了！你要迟到了。迪恩，别睡过头了！你要迟到了。By the time she got up,her brother had already gotten in the shower.=when当当时候时候By the time she got outside,the bus had already left.=when当当时候时候When she got to school,she realized she had left her backpack at home.Listen t

5、o Mary talking about her morning.Complete the sentences.1.By the time I got up,my brother _ already _ in the shower.2.By the time I got outside,the bus _ already _.3.When I got to school,I realized I _ _ my backpack at home.hadgottenhadlefthadleft忘记某物真特殊，后有地状用忘记某物真特殊，后有地状用leave.()I forgot my homewor

6、k at home.()I left my homework at home.TF通通过刚才的听力才的听力训练，你来，你来总结一下。一下。（1）By the time I got up,my brother had already gotten in the shower.By the time I got outside,the bus had already left.When I got to the school,I realized I had left my backpack at home.这三句三句话是什么是什么时态的句子的句子?_（2）过去完成去完成时表示在表示在过去某个去某

7、个时间,或或动作之前作之前 已已经发生或完成的生或完成的动作。即作。即“_”。结构构为：_ 3）by the time 意思是意思是 _,=when,后接后接过去去时的句子的句子时,主主语的的谓语动词用用_。过去的过去过去的过去过去的过去过去的过去过去完成时过去完成时had+had+过去分词过去分词过去分词过去分词在在 时候时候过去完成过去完成时时By Villa看time line来比较过去完成时与一般过去时的不同，也比较两种时态。构成构成：had+过去分词过去完成时态过去完成时态The Past Perfect Tense定定义义：过过去去完完成成时时是是一一个个相相对对的的时时态态，表表

8、示示的的时时间间是是过过去去的的过过去去。只有和过去某时或某动作相比较时才用到这个时态。这个时态常常用于宾语从句中。用法：用法：1.过去完成时动词表示过去某一时间或某一动作之前完过去完成时动词表示过去某一时间或某一动作之前完成的动作或状态。在强调过去某一动作发生在另一动作成的动作或状态。在强调过去某一动作发生在另一动作之前时。之前时。在强调过去某一个动作发生在另一个动作前常常用在强调过去某一个动作发生在另一个动作前常常用过去完成时态。过去完成时态。1.他说他以前见过你。他说他以前见过你。He said that he _(see)you before.had seen2.到六点钟为止他们已经工

9、作八小时了。到六点钟为止他们已经工作八小时了。By six oclock they _(work)for eight hours.had worked2.过去完成时词可以表示过去某一过去完成时词可以表示过去某一时刻之前发生的动作或呈现的状态，时刻之前发生的动作或呈现的状态，这一动作一直持续这一动作一直持续 或将继续下去。或将继续下去。By six oclock they _(work)for eight hours.When I came to GZ,he _(be)there for a long time.用法：用法：1.到了六点钟为止，他们已经工作了八小时了。到了六点钟为止，他们已经工作

10、了八小时了。2.我到广州时，他在那里很长时间了。我到广州时，他在那里很长时间了。had workedhad been3.到上个月中旬我们在北京住了有五年时间了。到上个月中旬我们在北京住了有五年时间了。By the middle of last month we _(live)in Beijing for five years.had livedThe Past Perfect Tense过去完成时常用于常用于:（1）含介词）含介词by到到为止为止,before 等时间短语的句中等时间短语的句中.（2）连词）连词when,by the time，before 等引导的时间状语从句的主句中等引导的

11、时间状语从句的主句中.（3）用于主过从过的从句中）用于主过从过的从句中.I realized he had already left here.We had learnt 20 English songs by the end of last month.The plane had taken off when I reached the airport.By the time I got up,my brother had left home.1.到昨晚上，他已写完那封信。到昨晚上，他已写完那封信。By yesterday evening he _(write)that letter.2.他

12、说他以前见过你。他说他以前见过你。He said that he _(see)you before.3.当我进来时，他已做完了作业。当我进来时，他已做完了作业。When I came in he _(finish)his homework.记住时间状语：记住时间状语：by then(截止到那时截止到那时);by 9 oclock(直到九点钟直到九点钟)by the end of(在在结束结束/末之前末之前);by the time(在在时之前时之前);by+过过去时间点去时间点up till then(直到那时直到那时);up until last night(直到昨晚）等连用，表示过去的过直

13、到昨晚）等连用，表示过去的过去。去。had writtenhad seenhad finished3.过去完成时和过去完成时和 already,just,ever,yet 等连用表示过去的过等连用表示过去的过去。去。用法：用法：例如：例如：1.他告诉我说他们队已经赢了。他告诉我说他们队已经赢了。He told me that his team _ already _(win).hadwon2.她说她仍没去过长城。她说她仍没去过长城。She said that she _(not go to)the Great Wall yet.hadnt been to用法：用法：过去完成时与过去完成时与wh

14、en,before,as soon as,till/until 等引导时间状语的从句连等引导时间状语的从句连用，强调动作发生的时间前后。用，强调动作发生的时间前后。例如：例如：1.她到家之前她的孩子已经睡着了。她到家之前她的孩子已经睡着了。When she got home her children _(sleep).had slept2.在他们到达之前电影已经开始了。在他们到达之前电影已经开始了。Before they arrived here the film _ already _(start).hadstartedLast night,as soon as I _(finish)my

15、work I went to sleep.3.我完成作业了就去睡觉了。我完成作业了就去睡觉了。had finished过去完成时和过去完成时和 already,just,ever,yet 等连用表示过去的过去。等连用表示过去的过去。用法：用法：例如：例如：1.他告诉我说他们队已经赢了。他告诉我说他们队已经赢了。He told me that his team _ already _(win).hadwon2.她说她仍没去过长城。她说她仍没去过长城。She said that she _(not go to)the Great Wall yet.hadnt been to3.到昨晚上，他已写完那

16、封信。到昨晚上，他已写完那封信。By yesterday evening he _(write)that letter.4.他说他以前见过你。他说他以前见过你。He said that he _(see)you before.5.当我进来时，他已做完了作业。当我进来时，他已做完了作业。When I came in，he _(finish)his homework.had writtenhad seenhad finished1.她到家之前她的孩子已经睡着了。她到家之前她的孩子已经睡着了。When she got home her children，_(sleep).2.在他们到达之前电影已经开始了。在他们到达之前电影已经开始了。Before they arrived here，the film _ already _(start).had slepthadstarted练习：用所给词的适当形式填空练习：用所给词的适当形式填空1)When they got to the station,the train _(leave).2)By the time she got to class,t