初中英语语法--现在完成时.ppt

play the violin, five years A: How long have you played the violin? B: I have played the violin for five years. Kate do karate, last month A: How long ___________________ ? B: She _____________________________ . has Kate done karate has done karate since last month James collect coins, two years A: How long _____________________ ? B: He _______________________________ . has James collected coins has collected coins for two years Shirley collect seashells, last summer A: How long ____________________________? B: She ________________________________ . has Shirley collected seashells has collected seashells since last summer ? actions that happened in the past ? actions that started in the past and continue to the present ? actions that have just finished e.g. I sang yesterday. e.g. I’ve sung for two hours. e.g. I’ve just sung a famous song. Past tense Present perfect tense Past Tense Present Perfect Tense Past Tense Present Perfect Tense ? We know the specific point of time of the action. e.g. I drew a picture last night. ? We do not know the time of the action. e.g. I’ve drawn a picture already. Past tense Present perfect tense ? verb - 1 word e.g. I started playing the violin in 2000. ? verb - 2 words e.g. I’ve played the violin since 2000. Past Tense Present Perfect Tense ? Hint words: yesterday, last night, last Sunday, last year, ago, in 2000 ? Hint words: since, for, already, just, yet, ever Past tense Present perfect tense Practice (2) e.g. I _______ a dress two weeks ago. (make) made 1 I ______________ in Hong Kong since 1990. (live) 2 My parents _______ our house in 2000. (buy) 3 Miss Lee ___________ at my school for two years. (teach) 4 Tom _______ his uncle one month ago. (visit) 5 Polly and Dolly __________ friends since last year. (be) 6 The baby __________ for four hours. (sleep)