时态语态实用PPT课件PPT课件

1、时态、语态、主谓一致问题：所填动词究竟是作谓语还是非谓语？1. My mother always _(tell) me to be kind.2. She and her family _(reach) home.3. The man nodded his head， _(look) happy.4. The man who _(look) happy nodded his head.谓语谓语非谓语谓语思路：当句子缺少谓语动词时，所给动词就作谓语。若句中已有谓语动词,又无连词无从句时,就考虑作非谓语第1页/共29页时态语态 第2页/共29页课堂目标1.时态 1)掌握10种基本时态的形式(含动词

2、第三人称单数，过去式，过去分词的构成)及意义 2)掌握常见固定句型对时态的要求 3)常见时态判断方法2.被动语态 1)掌握被动语态的基本形式及意义 2)主动形式表被动的用法 3)理解并能避免被动语态使用中的常见错误3. 时态语态与高考第3页/共29页课时一：时态常用时态名师 P 205-206 表格第4页/共29页I am Lin Fan, chairman of student union. I am writing1 to draw your attention to some improper behaviour in our campus: littering and scribbli

3、ng. It has been making2 our school dirty and unpleasant. I always feel ashamed3 whenever I see this. It is clearly not appropriate for a student to litter and scribble about. Last week, the student union held4 a meeting to seek some solutions to these problems. We were having5 a heated discussion wh

4、en our headmaster came and joined us. After the meeting, the headmaster said that the school had made6 efforts to improve this situation and more dustbins would be placed7 around. Recently, the student union has set up8 specific rules against such behaviour. At the same time, all of us should develo

5、p good habits and better behave ourselves. We believe that, with the joint efforts of both teachers and students, our school will become9 a more enjoyable place in the near future.第5页/共29页 熟读深思 My dear classmates, I am Lin Fan, chairman of student union. I am writing1 to draw your attention to some

6、improper behaviour in our campus: littering and scribbling. It has been making2 our school dirty and unpleasant. I always feel ashamed3 whenever I see this. It is clearly not appropriate for a student to litter and scribble about. Last week, the student union held4 a meeting to seek some solutions t

7、o these problems. 现在进行时, 现在正在发生的动作现在完成进行时一般现在时, 经常性或习惯性动作 always/ whenever一般过去时, last week第6页/共29页We were having5 a heated discussion when our headmaster came and joined us. After the meeting, the headmaster said that the school had made6 efforts to improve this situation and more dustbins would be

8、placed7 around. Recently, the student union has set up8 specific rules against such behaviour. At the same time, all of us should develop good habits and better behave ourselves. We believe that, with the joint efforts of both teachers and students, our school will become9 a more enjoyable place in

9、the near future. 过去进行时, 过去某一时间正在进行的动作。过去完成时, 过去的过去过去将来时,从过去某一时间来看将要发生的动作现在完成时, recently一般将来时第7页/共29页 方式方式 时间时间一般一般进行进行完成完成完成完成进行进行 现在现在workworks 过去过去worked 将来将来shall/ will be working 过去过去 将来将来is/am/areworkinghas/ havebeen workingwas/wereworkingshall/willworkshall/willhave workedshould/would workhas/

10、haveworkedhad worked第8页/共29页have2. 以-s, -x, -ch, -sh结尾的词加-es 3. 以辅音字母加y结尾的单词改y为i再加-es 4. 以辅音字母加o结尾的词加-es 1. 一般情况在词尾加-s语法小结：第三人称单数动词变化规则looklooksteachteachesstudystudiesdo, godoes, goeshas5. 特例 第9页/共29页语法小结：过去式，过去分词变化1、 一般情况下在词尾直接加ed。 如：play played work worked 2、以e结尾的动词只加d. 如：like - liked love - love

11、d3、以“辅音字母+y”结尾的动词，变y为i，再加ed. 如：study studied carry carried 4、以重读闭音节结尾的动词，如果末尾只有一个辅音字母，要双写最后这个辅音字母，再加ed. 如：stop stopped5、不规则动词的变化第10页/共29页确定时态有三看：(1)看时间状语（标志词）。(2)看固定句式。(3)看上下文时态(一致) 。第11页/共29页1. 看句子中的时间状语或时间状语从句。1) 一般现在时sometimes, usually, never, always, often; every week; on Sunday (s) / Monday (s)

12、 2)一般过去时yesterday, last year, just now, the other day, a few days ago, in 1990等3) 将来时 next+时间词(如: week, day, year等) tomorrow, the day after tomorrow The bus starts in three minutes. Ill write to you as soon as I arrive there.时态确定的基本方式：第12页/共29页1.So far the scientist has worked out a lot of difficult

13、 problems. 2. It bothers me a lot that in the past few months I have dreamt many strange dreams. 3.We have been friends ever since we were 10-year-old.up to now / so farrecent yearsthese days/yearslately/recentlyin the past/last few yearsin/during the last five months/decadessincefor+时间段/never/alrea

14、dy现在完成时标志词：从句用一般过去时,主句现在完成时观察、总结到目前为止近年来这些天/年近来 在过去的几年/月第13页/共29页观察，总结：I had finished reading the novel by nine oclock last night. 2. We had learned over two thousand English words by the end of last term. 3. They had planted six hundred trees before last Wednesday. 过去完成时标志词：before + 过去的时间点 by + 过去的

15、时间4. By the time of next year, we will have learnt 3500words. by + 表现在/表将来的时间状语,主句谓语用将来完成时第14页/共29页1. If it _ (rain) tomorrow, we _ (cancel) the meeting. 2.The train _ (leave) at six oclock tomorrow morning.补充练习3：rainsleaves1. 主将从现(标志词有：if /unless /until/ when / as soon as)2.时刻表（标志词：*点）安排的事情，用一般现在时表

16、将来will cancel第15页/共29页补充练习4：观察、总结1. I was doing my homework when she suddenly walked in.I was about to do my homework when she suddenly walked in.2. It is the first time that I have spoken to a foreigner. It was the first time that I had spoken to a foreigner. 3.Hardly had I got on the bus when it s

17、tarted to move. No sooner had I got on the bus than it started to move.特殊句型：1. be doing when/be about to dowhen： 正在做突然 / 正想做突然2. It/This is (was) the first (second) time that + 现在(过去)完成时3. hardly had sb done when + 一般过去时 / no sooner had sb done than +一般过去时 一就第16页/共29页3.看上下文的谓语动词形式。1)At the same time

18、, they get warm again for the night. This cycle _ (go) day after day. 2)While making great efforts to run away, she _ (fall) over the hill and died.goesfell第17页/共29页原题复现（报纸第1-5期 语法填空+短文改错）：1. We_ (have) many unforgettable reading evenings so far . 2.It was the first time that I have communicated wit

19、h foreigners that day. 3.Several days ago，I helped my teacher We visit the sculpture park before the trip. 4. If you were to ask any of my children whether I can shut up，they _ (say) quite the opposite.5. It_ (appear) in the Baltimore Sun in 1985.6. One day，Calvin _ (be) sad because he realized he w

20、ould never see his mothers face.7. I go on a group walking holiday in the capital of my province last year. 8. The activity，which lasted for two days in July 2015 ， is great. have had had visited waswent would say appeared was 过去将来第18页/共29页确定时态有三看：(1)看时间状语（标志词）。(2)看固定句式。(3)看上下文时态(一致) 。第19页/共29页巩固练习：

21、1.On Monday mornings it usually_ (take) me an hours to drive to work .2.The boy picked up his bag, _ (open) the door and then went out. 3. I was about to explain when she _ (break) in.4. Up to now，we _ (raise) more than 1000yuan and over 200books for the poor kids.5. This was the second time that we

22、 _ (meet) by chance.6. When Tom _ (arrive)，I _ (ask) him to wait for you.7. Hurry up, kids! The school bus _ (wait) for us!8. Jenny never imagined that she _ (become) a doctor. 9. By the time we reached home，he _ (leave) without saying a word. takes opened broke is waiting had leftwould become have

23、raised had met arrives will ask第20页/共29页动词被动语态填空 结构结构 时态时态 write的各种被动语态形式的各种被动语态形式助动词助动词be的变化形式的变化形式+动词过分动词过分一般现在时一般现在时一般过去时一般过去时一般将来时一般将来时现在完成时现在完成时含情态动词含情态动词 am/is/are written was/ were written will/shall be writtenhave/has beenwrittencan/may/must be written第21页/共29页确定语态有两看：(1)看时态 + 被动（看标志词by）(2)看

24、时态 + 被动（看句义）1. The classroom is so dirty, so we are required to clean it.2. The hero was killed when he tried to save the girl.1. The classroom was cleaned by students yesterday. 2. The car has been cleaned by him already.3. Our school is being decorated by workers now.第22页/共29页1.An accident _ (happ

25、en) on this road last week.2.The house _ (belong) to my grandfather. happenedbelongs无被动：happen, take place, break out, occur, belong to, consist of 语态特殊用法1：第23页/共29页3. The driver is to blame for the accident. 理解4. The room needs/wants/requires _(clean) 5. The city is well worth _(visit).语态特殊用法2：1. T

26、he flower _ (smell) good.2. The pen _ (write) well. smellswritescleaning= to be cleanedvisitingwrite, sell, wash, cook(与副词well/badly/ easily连用，表主语的内在品质或性能时)主动表被动：feel, look, taste, sound, smell(感官v.) be to blame 应受到责备 sth need/want/require + doing/to be done sth需要被 be worth doing 值得做第24页/共29页原题复现1. It was then that I turned back to see what had been happened. 报纸第5期2. Some days ago，I was giving a little cat