1、能力目标:能解决有关时态的习题,并在设定的情景下,能够运用合适的时态进行观点的表达情感目标:通过师生在教学的双边活动中主动性和创造性的发挥,激发学生的学习兴趣。教学重点与难点教学重点:各种时态的结构及对应的标志性词语,短语教学难点:动词的时态呼应,一般过去时与现在完成时的区别教学过程Step One 导入T: Do you know the name of the film?S: Fast and Furious (速度与激情) Have you seen the film already?S1: Yes, I saw it last night.S2: No, but I will see
2、it tomorrow.S3: No, but I hear it is an exciting movie.S4: Step Two 知识讲解与操练现代英语语法将传统语法所说的“时态(Tense)”分成了两部分:即“时(Tense)”和“体(Aspect)”。“时”是指谓语动词发生或存在于不同时间的变化形式,而“体”则指动作进行或过程处于什么状态的变化形式。动词时态考查的题型多以选择题、完形填空以及书面表达的形式出现,在中考中的比值较重。英语当中一共有16种时态,中考考纲明确要求考查的是8种,他们分别是(1)一般现在时 (2)一般过去时 (3)一般将来时 (4)现在进行时(5)过去进行时 (
3、6)现在完成时 (7)过去完成时 (8)过去将来时 一般现在时构成:a.主语be的某种形式 b.主语V原 c.主语(第三人称单数)Vs/es当主语是第三人称单数时,谓语动词需加-s或-es:规则动词原形第三人称单数形式一般在词尾加-s,(清辅音后读s,在浊辅音后读z;在t后读ts,在d后读dz。)playleaveswimplaysleavesswims以字母s,x,ch,sh,o结尾的词加-es,读iz,如果动词原形词尾已有e,则只加-s。passfixteachpassesfixesteaches以辅音字母加y结尾的词,先变y为i, 再加-es,读z。studycarryflystudie
4、scarriesflies注意:动词have的第三人称单数是has.一般现在时的用法(1)表示经常的或习惯性的动作,常与表示频度的副词连用。常用的频度副词有:sometimes,always、often、 usually、seldom、never、every week (day, year, month), once a week、on Sundays,频度副词在句中通常放在行为动词之前,系动词、助动词之后。如:He often goes swimming in summer.他夏天经常游泳。I usually leave home for school at 7 every morning.
5、 每天早上我七点离开家。(2)表示现在的状态。如:My father is at work. He is very busy. 我父亲在工作,他很忙。The boy is twelve. 这男孩十二岁。3)表示主语具备的性格、特征和能力等。All my family love football .我全家人都喜欢足球。My sister is always ready to help others. 我妹妹总是乐于助人。Ann writes good English but does not speak well. 安英语写得不错,讲的可不行。4)表示客观真理,客观存在,自然现象。The ear
6、th moves around the sun. 地球绕太阳转动。Shanghai lies in the east of China. 上海位于中国东部。5)表示按计划或安排好的,或将要发生的动作,可用一般现在时表将来。但只限于start, begin, leave, go, come, arrive, return, take place等。The train leaves at six tomorrow morning. 火车明天上午六点开。He comes back tonight. 他今晚回来。6)在复合句中,当主句是一般将来时,时间或条件状语从句的谓语动词只能用一般现在时来表示将来
7、要发生的动作。Ill tell him the news when he comes back. 他回来时,我将告诉他这个消息。If you take the job, they will talk with you in greater details.如果你接受这份工作,他们将和你谈谈细节。 巩固训练用括号内动词的适当形式填空。1. He often _(have) dinner at home. 2. Daniel and Tommy _(be) in Class One. 3. We _(not watch) TV on Monday. 4. Nick _(not go) to the
8、 zoo on Sunday. 5. _ they _(like) the World Cup?6. What _they often _(do) on Saturdays?7. _ your parents _(read) newspapers every day?8. The girl _(teach) us English on Sundays. 9. She and I _(take) a walk together every evening. 10. There _(be) some water in the bottle. 11. Mike _(like) cooking. 12
9、. They _(have) the same hobby. 13. My aunt _(look) after her baby carefully. 14. You always _(do) your homework well. 15. I _(be) ill. Im staying in bed. 一般过去时主语Ved(过去式)动词过去式的规则变化:构成规则动词过去式一般在动词原形末尾加-ed,(在清辅音后读t;在浊辅音和元音后读d;在t,d后读id。lookworklookedplayedworked结尾是e的动词在末尾加-dlikelivehopelikedlivedhoped末尾
10、只有一个辅音字母的重读闭音节,先双写这个辅音字母,再加-edplanstopdropplannedstoppeddropped结尾是“辅音字母y”的动词,先变“y”为“i”再加-edworrycrystudiedworriedcried注:不规则动词过去式参见不规则动词表。一般过去时的用法1)表示过去某个时间所发生的动作或存在的状态。常和表示过去的时间状语yesterday, last week, an hour ago, just now, the other day, in 1982等连用。在一般过去式中,要表达“过多少时间之后”,一般用after。几年后。Where did you go
11、 just now? 刚才你上哪儿去了?After a few years, she started to play the piano.几年后,她开始弹钢琴。2)表示在过去,经常或反复发生的动作。常与often, always等表示频度的副词连用。When I was a child, I often played football in the street.我是个孩子的时候,常在马路上踢足球。3)一般过去式也可与today, this week, this month, this year等表现在的时间壮语连用,但这些时间壮语须指过去的时间,决不包含“现在”“此时此刻”的意思。例如:Di
12、d you see him today?今天你看见他了吗?巩固训练一、单项选择1.My fatherill yesterday Aisnt B. arent C. wasnt D. werent2. your parents at home last week A.Is B. Was C. Are D. Were3.The twinin Dalian last year. Theyhere now A. are; were B. were; are C. was; are D. were; was4. your father at work the day yesterday(前天) A. W
13、as; before B. Is; before C. Was; after D. Is; after 5. Who was on duty last Friday A. I am B. I was C. Yes, I was D. No, I wasnt 二、请用正确动词形式填空1. I _ (have) an exciting party last weekend.2. _ she _(practice) her guitar yesterday? No, she _.3. What _ Tom _ (do) on Saturday evening? He _(watch) TV and _(read) an interesting book.4. They all _(go) to the mountains yesterday morning.5. She _(not visit) her aunt last weekend. She _ (stay) at home and _(do) some cleaning.一般将来时 主语will/shallV原在口语中,w
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