A must用于表示推论、永久命令或禁令及意向时,在间接引语中保持不变。
1 表示推论:
She said,Im always running into him;he must live near here!
她说:我常遇见他,他一定就住在这附近!相当于:
She said thathe must live in the area.
她说他一定就住在这附近。
2 表示永久命令:
He said,This door must be kept locked.
他说:这门一定要经常锁好。相当于:
He said that the door must be kept locked.
他说那门一定要经常锁好。
3 must在随便的话语中可表示意向,在间接引语中也保持不变:
He said,We must have a party to celebrate this.
他说:我们得开个联欢会来庆贺这事。相当于:
He said that they must have a party to celebrate it.
他说他们得开个联欢会庆贺那事。
B must用于表示责任时,在间接引语中可保持不变,但也可用would have to或 had to来转述。
1 I/we must可用would have to来转述would have to用于表示该责任取决于将来某事时或某事的完成看来很遥远或不能肯定。也就是说,在这种情况下must显然可用 will have to替代:
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2016-02-29
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