Question

By the time后面加什么语态

Answer 1

　　By the time 后一般加主动语态，语法上讲也可加被动语态，但很少用。

　　【主动语态例子】
　　Maybe everything will be fine by the time we wake up.
　　到一觉醒来时，一起都会好起来的。
　　By the time you graduate, we have been in Australia for one year.
　　到你毕业时，我们已经在澳大利亚待一年了。

　　【被动语态例子】
　　I had been in Nanjing for six years by the time I was granted master degree.

Answer 2

By the time 与语态无关，既可以用主动语态，也可以用被动语态。
By the time的意思是“到那时为止”，有关系的是时态，也就是说到过去或将来的某个时间为止，所以谓语动词需要用过去完成时 had done 或将来完成时 will have do。例如：
　　By the time I arrived , the horn had stopped. 我到了那里的时候 , 喇叭声已经停了。
　　By the time his patience had completely run out. 到这时候, 他已完全没有耐心了。
　　By the time he's twenty he'll have known everyone worth knowing in Washington. 到20岁时，他就会认识华盛顿所有值得认识的人。
如果是动词be，还可以用一般过去时，如：
　　Scott was obviously inebriated by the time the dessert was served. 到了上甜点的时候，斯科特显然已经喝醉了。