10 at the end of, by the end of, in the end和to the end
1 at the end of +时间名词或地点名词 表示“在……末,在……的尽头”。
He left for London at the end of last week. 他上周末动身去伦敦了。
At the end of the street you can see a bookstore. 在大街的尽头你会看见一家书店。
2 by the end of +时间名词 表示“到……末为止,在……以前”,指的是到某一时间为止怎样,或在某一时间之前怎样,是过去完成时或将来完成时的时间标志。
They had learnt 10 lessons by the end of last month. 到上月底为止,他们已经学了10课。
They will have built the bridge by the end of the year. 到今年年底,他们就将把这座桥建好了。
3 in the end 是副词短语,意为“最后,终于”,相当于at last,它单独使用,后面不能跟of。
She got enough money in the end . 最后她终于弄到了足够的钱。
They won the game in the end . 他们最终赢得了这场比赛。
4 to the end 表示“到……底”,用作状语,指的是把某种行为持续到底。
Go along this street to the end . 沿着这条街走到底。
He kept on working to the end . 他坚持工作直到最后。