R 现在完成时1.pptVIP

Present perfect tense 现在完成时 构成: already, yet, ever, never, just already 肯定句，强调已经的意思 I have already finished my homework. yet 否定句、一般疑问句，表示还没，没有的意思 He hasn’t finished his homework yet. Has he finished his homework yet? ever 问句，偶尔用于肯定句，表示曾经的意思 Has John ever been to Zhuhai? never 含否定意思，表示从没的意思 He has never been to China. just 肯定句，表示刚刚的意思 I have just come back from China. already, yet, ever, never, just 1. Have you seen the film ( )? 2. -Have you done your homework ( )? -Not ( ), I will do it after supper. 3. -Have you ( ) been to England? -No, ( ). 4. I have ( ) finished reading the book. 5. I have ( ) paid for the car. yet yet yet ever never just already already just A. 用 already 或 yet -Have they taken down the old pictures ____? -No, not ____. 2)Most of us have finished our compositions _________. 3)He hasn’t visited the museum_____. B.用 since或 for 1)We have learned five lessons ____ the beginning of this term. 2)Mrs. Liao has been in hospital ______ last week. 3)I have stayed at my aunt’s _____ two weeks. I have been here ______ 1999. They have kept the books ____ one day. It has been cold ______ two weeks ago. We have learnt a lot ______ we came here. yet yet already yet since since for since for since since 现在完成时态几个难点 2. gone to / been to / been in 的辨析 3. 持续性动词与非持续性动词 1. 现在完成时与一般过去时的辨析 现在完成时态几个难点 1. 现在完成时与一般过去时辨析 We ____________ each other since childhood . We ____________ each other when we were young . know have known knew I ________ him just now . (see) I _____ just _____ my pen. (lose) saw have lost How long ______ you ______ in the United states ? (live) When _____ you ______ here ? (move) have did move lived A: When______