4.否定形式:have/has + not + done. 5.一般疑问句:have或has提前。 6.例句:I've written an article. It has been raining these days. 六、过去完成时 1.概念:以过去某个时间为标准,在此以前发生的动作或行为,或在过去某动作之前完成的行为,即“过去的过去”。 2.时...
My pain must have been apparent the moment I walked into the room, for the first man I met asked sympathetically: “Are you feeling all right?” (2)can’t/couldn’t have +过去分词,表示对已发生情况的否定推测,译为“(昨天)一定没……”。如:Mary couldn...
12 Day 中考按照去年的时间进行大致推算,一模以目前公布的最早时间推算,确切时间公布后会随时修改。 初中英语最重要的语法点是什么? 当然是宾语从句! 无论选择、句型转换、完形, 还是阅...
否定形式:can't / couldn’t have done 例:She must have come here last night. She can't have gone there 6. may have done sth可能做过某事 否定形式:may not have done 例:Philip may have been hurt seriously in the car accident. 7.might have done sth 或许...
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