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1、 Present Perfect Tense(现在完成时): 结构：助动词 have/has + p.p.(过去分词) 用法：1.表示过去发生或已经完成的某一动作对现在造 成的影响和结果。I have finished my homework.2.表示过去已经开始，持续到现在的动作或状态 ，经常和表示从过去某一时刻延续到现在（包括“现在”在内）的一段时间的状语连用。She has lived in Beihai for 20 years.I have been at this school for 13 years.He has taught us since(自从) last year.Sh
2、e has taught us a lot.She hasnt taught us a lot.Has she taught us a lot? Yes, she has. No, she hasnt.I have had my lunch.I havent had my lunch.Have you had your lunch? Yes, I have. No, I havent.现在完成时和一般过去时的区别：现在完成时：强调现在的情况，不能和表示过去的时 间状语连用，如：yesterday, last night, three weeks ago, in 1990等，但常和already
3、, never, ever, just, before, yet, since 等状语连用。一般过去时：只表示过去的动作或状态，和现在没有任 何关系，常和表示过去的时间状语连用。 I have seen the film. 我看过这部电影。I saw the film last week. 我上星期看了这部电影。用所给单词的适当形式填空：1. She _(teach) us for two years.2. He _(teach) us last year.3. They _(live) here in 1973.4. She _(see) the film eight days ago.5.
4、 She _(see) the film.6. Yesterday Tom _(go) to school by bike.7. Mr. Li _ (teach) us since September.has taughttaughtlivedsawhas seenwent_has taught _时态时态结结构标标志一般现现在一般过过去现现在进进行一般将来现现在完成原形或三单always, usually, often, sometimes, every day 过去式yesterday, last night, two weeks ago, in 1990 be + v-ingnow, L
5、isten! , Look! will+动原 be going to +动原tomorrow, next week, next yearhave/has+p.p.already, never, ever, for since , just, yet, before时间表达法（一） 1. 整点的表达：用“数字或基数词+oclock”表示6:00 6 oclock six oclock 12:00 12 oclock twelve oclock6:30 six thirty 7:45 seven forty-five 8:01 eight o one (o 读字母o音)2. 非整点的表达：时 +
6、分时间表达法 （二）a) 表示“几点过几分（30分钟以内，包括30分钟）”用“分钟数past整点数”表示。常用half 代替30 分钟(thirty)，用a quarter代替15分钟(fifteen) 。如: 9:20 twenty past nine 8:30 half past eight10:15 a quarter past tenb) 表示“几点差几分（超过30分）”用“分钟数to整点数”表示。如: 4:50 ten to five .（即5点还差10分）7:45 a quarter to eight1. 整点的表达：用“数字或基数词+oclock”表示 2. 非整点的表达：9:0
7、03:155:307:056: 452:558:269 oclock nine oclocka quarter past threehalf past fivefive past sevena quarter to sevenfive to threetwenty-six past eight12:004:159:308:053: 456:507:2412213 4567891011121211223344556677889910101111Whats the time?Its “five to three.”ten past threetwenty-five to fourten after
8、 three12213 4567891011121211223344556677889910101111Whats the time? Its “a quarter to three.”a quarter past threehalf past threea quarter after threehalf after three1. How many subjects do you study? What are they?2. Whats your favourite subject?Think about it!3. Whats Li Mings favourite subject?Mak
9、e a guess.Chinese math(s) Englishhistory geography biology P.E.physics politics art music computer1. How long has Li Ming lived in Shijiazhuang?2. What subject does Li Ming like best?3. Has Li Ming visited Canada?4. What subject is Wang Mei not good at?physicsListen and catch the answers:Read quickl
10、y and answer the questions:Whats the main idea(主要意思) of each paragraph?Paragraph 1Paragraph 2Paragraph 3Paragraph 4Introduce himself and his city.his favourite subjectHow does he learn English?a new subject, physicsRead carefully and answer the questions:1. Where is Shijiazhuang?2. What does Li Ming
11、 think of it?3. Which grade is Li Ming in?4. Why does Li Ming like English best?Read carefully and answer the questions:1. Li Ming likes reading, doesnt he? What does he often do?2. Does he have a few Canadian friends?What do they often do?3. Who helped him with his English?4. Wang Mei isnt good at
12、physics, is she?Who can help her?Yes, he does.是的，他喜欢。No, she isnt.是的，她不擅长Language notes:4. borrow from 6. forget to do sth. forget doing sth. He forgot to turn out the light yesterday evening.He forgot turning out the light.2. sometime in the future1. a lot = very much3. such as 5. a few + 可数名词的复数形式someUseful sentences:1. I have lived here for fourteen years.2. Of all the subjects, I like English best, because its so useful and interesting.3. Its very important for us to learn it well.4. We often talk and write e-mails in English.
