中级学校英语现在完成时知识点分享
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那时顺利完成时能则表示往后出现或早已顺利完成的某一姿势对那时导致的负面影响或结论.常与just,already,ever,before等连写;或是则表示往后早已已经开始,始终沿袭到那时的姿势或状况,常与for,since连写。
用语一:则表示往后出现或早已顺利完成的某一姿势对那时导致的负面影响或结论.常与just(才刚),already(早已),never(唯独没),ever(曾),before(从前),yet(依然),once(一场),twice(三次),many times(很数次),how many times(无数次),so far(迄今),during the past(last)three years(前段天数五年来)等连写.
※形容词的边线:①just常见作问句中,放到have / has后,He has just come .②never则表示驳斥, 放到have / has后, He has never visited the Great Wall.
③ever用作问句中,字词为: Have / Has+主语+ever +往后分词?“…曾……过吗?”用作查问其他人往后的历经.Have you ever been to the farm?④before用作中缀,The woman has never heard of that before.
⑤yet 用作中缀或not 后.Has the train arrived yet? No, not yet.⑥already用作问句, have / has 后或中缀.We have already finished it.
⑦so far用作句首或中缀. So far, we have visited the moon.用语二:则表示往后早已已经开始,始终沿袭到那时的姿势或状况.天数状语有:①for+则表示一段天数的词语I have taught English for 19 years.
②since+则表示往后天数点的词语He has been at this school since 1986.③since+则表示往后的天数状语从句I have lived here since I was born.
④since+一段天数+ago. I have known him since 20 years ago.看完了上面的句法科学知识,相信大家早已对那时顺利完成时的用语有了更进一步的理解