摘要：I. 动词的时态:1. 动词的时态一共有16种.以ask为例.将其各种时态的构成形式列表如下: 现在时 过去时 将来时 过去将来时 一般 ask / asks asked shall/will ask should/would ask 进行 am/is/are asking was/were asking shall/will be asking should/would be asking 完成 have/has asked had asked shall/will have asked should/would have asked 完成进行 have/has been asking had been asking shall/will have been asking should/would have been asking
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Millie在动词的时态上需要帮助，你能帮帮她吗？
I won't return the book to the library because I ________(not finish)reading it．
Millie在动词的时态上需要帮助，你能帮帮她吗？
If it ________(not rain)tomorrow, I will go to the park with you．