現(xiàn)在完成時(shí)與現(xiàn)在完成進(jìn)行時(shí)的區(qū)別 完整版課件

1、Unit1Present perfect or present perfect continuous?現(xiàn)在完成時(shí)與現(xiàn)在完成進(jìn)行時(shí)的區(qū)別伍琳現(xiàn)在完成時(shí)和現(xiàn)在完成進(jìn)行時(shí)都表示動(dòng)作從過去開始，但現(xiàn)在完成時(shí)可表示事件或動(dòng)作剛結(jié)束，而現(xiàn)在完成進(jìn)行時(shí)則強(qiáng)調(diào)動(dòng)作仍在繼續(xù)。 Li Jia _ (read) a book about Stonehenge. (表示她已經(jīng)讀完了.)Li Jia _ (read) a book about Stonehenge. (表示她仍在讀.) has read has been reading2.現(xiàn)在完成時(shí)可表示反復(fù)發(fā)生的動(dòng)作，提問時(shí)用how many / how much。

2、而現(xiàn)在完成進(jìn)行時(shí)則表示持續(xù)的、不間斷的動(dòng)作，提問時(shí)用how long。I _ (visit) Egypt twice this month. (反復(fù)發(fā)生動(dòng)作)I _ (tour) Egypt for two months. (持續(xù)的動(dòng)作) have visited have been touringHow many times _ you _ (swim) in the lake?How long _ you _ (swim) in the lake? haveswumhavebeen swimming3.現(xiàn)在完成時(shí)可以用表示狀態(tài)的動(dòng)詞或表示動(dòng)作的動(dòng)詞做謂語。而現(xiàn)在完成進(jìn)行時(shí)則只能用表示動(dòng)作的

3、動(dòng)詞做謂語。I have had this camera for five years.state verb狀態(tài)動(dòng)詞I have taken photos of UFOs with this camera.I have been taking photos of UFOs with this camera.action verb動(dòng)作動(dòng)詞action verb動(dòng)作動(dòng)詞4.現(xiàn)在完成時(shí)的句子中可以用像never、yet、already和ever這樣的詞，而現(xiàn)在完成進(jìn)行時(shí)的句子中則不可以用這樣的詞。( ) I have never visited America.( ) I have already been to Ame