[中学联盟]九年级英语专项复习课件：现在完成时讲解与练习.ppt

I have known her for six years. 现在完成时表示的是在过去某个时间开始并持续到 现在的动作/状态, 或者发生在过去却对现在造成的影响学.科.网zxxk.组卷网 巧记不规则动词过去式 1. 中间去e末尾加t。 如：keep→ kept， feel→ felt，sleep→ slept，sweep→ swept 2. 结尾d变t。 如：build→ built，lend→ lent， send→ sent，spend→ spent 3. 遇见i改为a。 如：ring→ rang，sit→ sat， drink→ drank，sing→ sang，swim→ swam， begin→ began，give→ gave 4.“骑(马)”“开(车)”“写(字)”——把i变o。 ?如：ride→ rode，drive→ drove，write→ wrote 5.“想”“买”“带来”“打仗”——ought换上 如：think→ thought，buy→ bought， bring→ brought，fight→ fought 6.“教书”“抓住”——aught切莫忘 如：teach→ taught，carry→ caught 7. ow/aw改为ew是新时尚 如：know→ knew，grow→ grew， throw→ threw，draw→ drew 8. “放”“让”“读”过去式与原形一样。 如：put→ put，let→ let，read→ read学.科.网 把下列句子改为否定句 I’ve already had dinner. I ________ ________ dinner ________. 2. He has just finished his homework. He ________ ________ his homework _______. 3. Mum’s cooked the dinner. Mum _______ ________ the dinner. I have bought a new dress. I bought a new dress three days ago. I _______ _______ a new dress for three days. 单项选择题 5. —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 6. —______ you ___ your homework yet ?—Yes . I _____ it a moment ago .Ａ. Did ; do ; finished Ｂ. Have ; done ; finishedＣ. Have ; done ; have finished Ｄ. will ; do ; finish 7. His father ______ the Party since 1978 .Ａ. joined Ｂ. has joined Ｃ. was in Ｄ. has been in 8. —Do you know him well ?— Sure .We _________ friends since ten years ago .Ａ. were Ｂ. have been Ｃ. have become Ｄ. have made One possible version： It’s twelve o’clock now. Kathy has watered the plants. … have had 注意: 瞬间动词不能和时间段连用. 　瞬间动词 join begin/start borrow finish/end arrive/come leave die buy ·········· method 1: 动作 状态 die be over leave borrow/buy arrive begin end/finish join marry keep/had be away be here be on(上演） be married be in be dead 他的