【正文】 6) _____ you ever _ __ America? Yes, I ___ __ there many times.7) I __ ___ this school since three years ago. 8) Where is Jim? He __ ___ the farm.9) When___ __ he ___ __? He ____ ___ an hour ago.10) Would you like to ____ _ the zoo with me? Yes, but I ___ __ there before.五、 延續(xù)性動詞和瞬間性動詞之間的轉化 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 motorbike 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 opened 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. 現在完成時練習（二）單項選擇。Both his parents look sad . Maybe they _____what39。s happened to him .（2014呼和浩特）Ａ. knew Ｂ. have known Ｃ. must know knowHe has _______ been to Shanghai , has he ?　?。? already Ｄ. stillHave you met Mr Li ______？　　Ａ. just Ｂ. ago Ｄ. a moment agoThe famous writer _____ one new book in the past two years .　?。? is writing writing written—Our country ______ a lot so far .—Yes . I hope it will be even ______ .　　Ａ. has changed 。 well Ｂ. changed 。 good　?。? has changed 。 better Ｄ. changed 。 betterZhao Lan ______already ______in this school for two years .　 Ａ. was 。 studying Ｂ. will 。 study　　 Ｃ. has 。 studied Ｄ. are 。 studyingWe ______ Xiao Li since she was a little girl .　?。? know Ｂ. had known Ｃ. have known Ｄ. knewHarry Potter is a very nice film .I_____ it twice .　?。? will see Ｂ. have seen Ｃ. saw —These farmers have been to the United States . —Really ? When ___there ?　?。? will they go Ｂ. did they goＣ. do they go Ｄ. have they gone—____ you ___ your homework yet ? —Yes . I ___ it a moment ago .　?。? Did 。 do 。 finished Ｂ. Have 。 done 。 finished　　Ｃ. Have 。 done 。 have finished Ｄ. will 。 do 。 finish1 His father ______ the Party since 1978 .　　Ａ. joined Ｂ. has joined Ｃ. was in Ｄ. has been in1—Do you know him well ?— Sure .We _____ friends since ten years ago .　?。? were Ｂ. have been Ｃ. have bee Ｄ. have made1—How long have you ____ here ?　　—About two months .　　Ａ. been Ｂ. gone Ｃ. e Ｄ. arrived　 1Hurry up! The play __________ for ten minutes .　?。? has begun Ｂ. had begun　　Ｃ. has been on Ｄ. began1 It _____ ten years since he left the army .　?。? is Ｂ. has Ｃ. will Ｄ. was1 Miss Green isn39。t in the office . she_______ to the library .　　 gone Ｂ. went go Ｄ. has been