许多朋友反映,时态方面经常拿捏不准,今天小编就完成时态来进行探讨和总结了7个常用完成时态的招牌句型,与朋友们一起分享: (1) since句型:主句用完成时 例:My aunt has worked in a clinic since 1949. 从1949年,我婶婶就一直在一家诊所工作。 (2) since when +完成时 例:Since when have you planted so many young trees? 从什么时候你种植了这么多小树的? (3) in the past time( two days/years...) +完成时 例:In the past 10 years, there have been great changes in our family life. 在过去的十年里,我们的家庭生活发生了很大的变化。 (4) This/it is the first (third...) time sb have done sth 例:This is the first time I have been here.这是我第一次到这儿。 (5) 未实现的愿望打算等等用过去完成时 例:I had thought I could pass the final examination but I failed. (6) by…(到……为止)到过去某个时候为止用过去完成时,到现在为止 用现在完成时,到将来某个时候为止用将来完成时。 例:She will have finished the book by my next birthday. 到我下一个生日为止,我将完成那本书。 By eleven o'clock yesterday, we had arrived at the airport. 到昨天十一点止我们就已经到达机场了。 但比较:By the time the speaker entered the hall, all the listeners were seated. 就在主讲者进入大厅的时候,所有的听众都坐好了。 (7) hardly ... when....(no sooner ... than)句型用过去完成时 例:Hardly had I reached the school when the bell rang. 我一到学校,铃子就响了。 No sooner had we sat down at the table than the phone rang. 我们刚坐到桌子旁边电话就响了。 |
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