Unit 8 单元语法精讲与精练(Grammar Focus)-【金榜行动】2020-2021学年八年级英语下册习题课件（人教版）

Unit 8 Have you read Treasure Island yet? 单元语法精讲与精练(Grammar Focus) 金榜行动 英语　八年级　下册•R　 * 单元语法精讲 现在完成时(一) 1．基本结构：助动词have/has＋过去分词(done) 2．句型 否定句：主语＋have/has＋not＋过去分词＋其他 一般疑问句：Have/Has＋主语＋过去分词＋其他 简略答语：Yes，主语＋have/has.(肯定) No，主语＋haven't/hasn't.(否定) 3．用法 现在完成时表示过去发生或已经完成的动作对现在造成的影响或结果。 eg：I have spent all of my money (so far)． 现在我没有钱花了。 Guo zijun has (just/already) come. 郭子君现在在这儿。 4．现在完成时的标志 现在完成时的含义之一是过去完成的动作对现在仍有影响，用以下几大标志词可以表达这种含义： (1)以already，just和yet为标志。 eg：He has already got her help. He has just seen the film. He hasn't come back yet. (2)以ever和never为标志。 eg：This is the best film I have ever seen. He has never been to Beijing. (3)以so far(到目前为止)和before为标志。 eg：He has got to Beijing so far. I have read the book before. have visited bought Has read have seen saw has cleaned 单元语法精练 Ⅰ.用括号内所给单词的适当形式填空。 1．My parents (visit) the Great Wall before. 2．Uncle Wang (buy) a new car last year. 3． the girl (read) the book yet? 4．I already (see) the film.I (see) it last night. 5．My mother (clean) the windows already，so the room looks much brighter. A C Ⅱ.单项选择。 ( )6.(天津中考)—When you here? —Two days ago. A．did；come B． have；come C．will；come D． do；come ( )7.—Our country a lot so far. —Yes.I hope it will be even . A．has changed；well B． changed；good C．has changed；better D． changed；better C C ( )8.(山西中考)—Have you finished the poster for the party? —Not yet.I it in two days. A．finish B． finished C．will finish ( )9.Don't return the video to Peter.I it. A．don't watch B． won't watch C．haven't watch D． wasn't watching B B ( )10.—Have you even been to Tibet? — .I went there last year. A．Yes，I did B． Yes，I have C．No，I haven't D． Not yet ( )11.(营口中考)—Lisa，why are you still here？School is over. —I my classroom yet，I need fifteen more minutes. A．don't clean B． haven't cleaned C．didn't clean D． won't clean hasn't yet Have yet What