英语16种时态总结
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十二、将来完成进行时：shall have been doing ，will have been doing 例：
By the end of next month, the project will have been being worked for 3 years. （到下个月底为止，这项工程就已经不停地进行了3年了。
）（被动语态）十三、过去完成进行时：had been doing 例：
The old clock had been being taken apart of and fixed up again for several times by my 1 0-year old son before I came back home.（我回到家之前，我10岁大的儿子已经把这个旧钟表拆卸并重新组装了好几回了。
）（此处强调“拆卸”和“组装”这两个过去的过去的动作一直在反复进行。
）（被动语态）
十四、过去将来进行时：should be doing , would be doing
例：The government promised that a new highway would be being built next July.（政府承诺说第二年7月将有一条新的高速公路正在修建。
）（此句的时间状语是具体的将来时间，所以最好用将来进行时。
）（此句为被动语态）
十五、过去将来完成时：should have done , would have done
例如I believed by the end of that year an advanced version of that software would have been d eveloped, but I was wrong.（我坚信到那年年底为止，那个软件的新版本将被开发出来。
但是我错了。
）（此句为被动语态）
十六、过去将来完成进行时：should have been doing , would have been doing 例：They said that by the end of the following month, the project would have been being wor ked for 3 years. （他们说到第二个月底为止，这项工程就已经不停地进行了3年了。
）。
