初中英語現(xiàn)在完成時講解全

1、現(xiàn)在完成時現(xiàn)在完成時的含義1.表示動作發(fā)生在過去，對現(xiàn)在造成的影響。 I saw a movie. I have seen the movie. Have you ever been there?(八下Unit9) I have never been camping. 1.表示動作發(fā)生在過去，對現(xiàn)在造成的影響結構： have/has+過去分詞 （對have /has)進行變換 have/has not+過去分詞 （havent hasnt) Have/Has+主語+過去分詞 (Yes,have/has.No,havent/hasnt) 特殊疑問詞+have/has+主語+過去分詞Have yo

2、u finished your homework?I have finished my homework.What have you finished?I havent finished my homework 標志詞：already yet just already 用于肯定句中, 已經(jīng) :I have already had lunch. Yet 用于否定句 疑問句末 Just:剛剛 Have you had lunch_? I have _ had lunch I havent had lunch _. I have just had my lunch.還已經(jīng)總結：現(xiàn)在完成時 含義 1

3、:_ 結構：肯 _ 否_ 一般疑問 _ 特殊疑問_ 標志詞|:_ 2.一一個動作從過去開始持續(xù)到個動作從過去開始持續(xù)到現(xiàn)現(xiàn)在，并有可能繼續(xù)持續(xù)在，并有可能繼續(xù)持續(xù)下去。下去。過去時：動作過去已經(jīng)結束。 He has taught in our school for five years. I have worked since last week. 第二層含義的標志詞： 和for 和since 連用 for+時間段（持續(xù)） since（自從）+時間點 I have studied English for ten years.= I have studied English since ten

4、years ago.注意：完成時不能單獨和時間狀語(two hours,three days,last week,four hours ago)連用，必須加上for ,since.填空使用for和since I have been here_half past three. The car has been here _yeaterday. I have been in Only_four years. The boy has been in our class_six week. She has lived here _1996. 2 標準詞：so far/up to now (到目前為止）

5、 ;lately/recently(最近） Up to now/So far ,I havent been successful. Lately/Recently,I havent seen my teacher. 總結I lived in Wuwei ten years ago.I have lived in Wuwei for ten years.I have lived in Wuwei since ten years ago.I studied English ten years ago.I have studied English for ten years I have studi

6、ed English since ten years ago.判斷正誤I bought the book five days ago.I have bought the book.I have bought the book for five days.I have had the book for five days.I have had the book since five days ago. Tips:buy 這個動作現(xiàn)在完成時中常見的非延續(xù)性動詞現(xiàn)在完成時中常見的非延續(xù)性動詞非延續(xù)性動詞：非延續(xù)性動詞： buy borrow die leave begin/start come /

7、go finish 這些動詞不能和這些動詞不能和 for . Since連連用用 與與for和和since連用時，連用時，要把它們變要把它們變成相應的延續(xù)性動詞成相應的延續(xù)性動詞-（buy買了買了） had （borrow借了借了） keep（start/ begin開始開始 了了） be on （leave離開了離開了） be away (from)（come來到某地來到某地.） be here /介詞介詞+地點地點（go去某地去某地.） be there/介介詞詞+地點地點 （die 死了死了） be dead (finish結束結束.) be over for since.1.我買這本書

8、三年我買這本書三年了了。Buy I have bought the book. (1) I have had the book for 3 years. (2) I have had the book since 3 years ago. 2.他借這本書兩個月他借這本書兩個月了了borrow He has borrow the book. (1）He has kept the book for 2 months . (2) He has kept the book since 2 months ago. 3.李梅離開濟南一年了李梅離開濟南一年了 .leave LiMei has left Ji

9、nan (1) Li Mei has been away from Jinan for one year. (2) Li Mei has been away from Jinan since 1 year ago. 1. He died 10 years ago. - He _ _ _ for 10 years / since 10 years ago.2. He borrowed the book 2 weeks ago. - He _ _ the book for 2 weeks.3. He bought the motorbike a month ago. -He _ _ the mot

10、orbike for a month.4. He arrived here three days ago. - He _ _ here since three days ago.5. They turned off the light 2 hours ago. - The light _ _ _ for 2 hours.6. He left here 2 years ago. - He _ _ _ from here for 2 years.7. The film began 30 minutes ago. - The film _ _ _ for 30 minutes.8. They ope

11、ned the door an hour ago. - The door _ _ _ for an hour.9. They closed the door an hour ago. - The door _ _ _ for an hour.10. He joined the army last year. - He _ _ a _ for a year. - He _ _ _ the army for a year. - It _ a year _ he joined the army. 延續(xù)性延續(xù)性動詞和動詞和瞬間瞬間性性動詞之間的轉化動詞之間的轉化Exercise1. Tom _for

12、several hours. A. went to bed B. has been in bed C. has gone to bed D. has been to bed2.How long have you_this city? A. been to B. been in C. come to D. gone to 3. My aunt _the TV for 4 months. A. has bought B. was bought C. was had D. has had4. Mr Brown _the car for 3 months. A. bought B. had bought C. has had D. buys5. The old man _for two days. A. has died B. has been dead C. died D.dies 6.My sister has_ for 8 years. A. become a driver B. left the city C. arrived in the city D. lived here7.How long have you_? A. joined the team B. become a team leader C