Module 4 A Social Survey- My Neighbourhood GrammarI Studying aims 學(xué)習(xí)目標(biāo)To learn and master the usage of the present perfect tense. 學(xué)習(xí)并掌握現(xiàn)在完成時(shí)態(tài)的用法II Self-study guides自學(xué)指導(dǎo)1. Observe the following sentences and summarize the expression of the present perfect tense.1) I have seen the film many times.2) We havent finished our homework.3) Has he lived here since 1990?總結(jié)：現(xiàn)在完成時(shí)的表達(dá)方式：_; 否定形式_一般疑問句把_或_提前。2. Study the following sentences and summarize the usage of the present perfect tense.1) I have taught English for 19 years.2) He has been at this school since 1988.3) I have lived here since I was born.總結(jié)1：現(xiàn)在完成時(shí)可以用來表示_;常與_和_ 連用，for 后面接_; since后面接_. 此時(shí)謂語動(dòng)詞須為_.1) I have been to that place three times.2) We have already finished our homework.3) The woman has never heard of that before.4) We have learned 2000 words so far.總結(jié)2：現(xiàn)在完成時(shí)可以用來表示動(dòng)作發(fā)生在_, 強(qiáng)調(diào)對現(xiàn)在造成的影響，可譯成“已經(jīng)做過/做過”常與_ 連用。跟蹤練習(xí)：1）-Oh, your bike is very cool. Is it new? - No, I _ it for two months.A. had B. have had C. bought D. have bought 2) His grandmother _ for over two years.A has died B has been dead C has dead D died 4. Think for a while and write out the sentence patterns which use the present perfect tense in this module. _ Summary :Ask some students to summarize what theyve learned this class. Exercises in class 當(dāng)堂訓(xùn)練A)選用have, has填空:1. I _ told him the news. 2. She _ come back from school.3. You _ won the game.B)按要求改寫下列各句:4. They have bought a computer. (改成否定句)_5. He has lost his book. (先改成一般疑問句,再作肯定與否定回答)_C) 語法填空1My mother is a retired teacher. She _(teach) in a high school in Xiamen for 30 years.2. - Has Sam finished this homework today? - Yes. He _ （do）it this morning.3. This is the third time I _ (visit) Hong Kong. The second time I _(came) here was on Christmas.4. With the help of the technology, more and more new substances _ (discover) in the past years.5 - _ you _ him around the museum yet? (show) - Yes. We had a great time there.6. When _ you _ to Shanghai?(go)7. The number of foreign students attending Chinese universities_ (be)rising steadily since 1990.D) 翻譯下列句子。1 .這本字典我已買了三年了。_2.他們已去了美國五年了。_3 你已經(jīng)看過這部電影了嗎？_4. 自從1999年以來他們就認(rèn)識(shí)。_5 我以前從來沒去過那個(gè)農(nóng)場。_