bythetime是什么意思？
加上几个例句。
by the time的用法
这个词组常用来指到某一点时间为止，主句常用完成时态。
e.g.
By the time he was 12, he had traveled to more than 30 countries to get his diseases cured. 到12岁为止，他已去过三十多个国家治病。
By the time I graduate next year, I will have lived here for 5 years.
到明年毕业时，我就在这里呆了五年了。
by the time 有两个意思
1.到...为止,一般要求主句用过去完成时.
He had left by the time we reached home.
当我们到家的时候他已经走了.
The movie had begun by the time we got there.
当我们到那儿的时候,电影已经开始了
.2)…当……的时候;如果只是说过去某个时候的状况,用过去时,而不用完成时.
By the time the war was over ,death and suffering were to be seen everywhere.
在战争结束的时候,到处可见死亡和饥饿.这里没有“死亡和饥饿”已经完成的意思,只是描述当时这个时间点的状况.所以用过去时.
By the time we arrived the meeting was over.
我们到达时,会议已结束了.
by the time
到…的时候
例句；
By the time ambulancemen arrived he was unconscious
救护人员到达时他已经不省人事了。
- 2By the time he died, he was a millionaire.
到他去世的时候，他已经是一位百万富翁了。
- By the time we got back from dinner, Nona was already in bed
我们吃完饭回来时，诺娜已经睡下了。
- By the time the tests took place, the athletes had had a full 17 hours notice.
到检测开始时，离运动员得到通知已经整整17个小时了。
- It was dark by the time she got home.
她回到家时天已经黑了。