the road was muddy.it （must have rained） last night
为什么 （）里不填must rained 而要+have 呢 为啥不是must be rained
人气：339 ℃ 时间：2019-12-25 20:10:54
解答
这是对过去事实肯定推断的固定用法.加have 从另一个方面也表示这件事已经发生过了.
如果是对现在事实的推断,则可以不用加have.
推荐
- He must have done it last night,____he 这个反意疑问句怎么做啊
- It must have rained last night,__ the ground is wet .
- it must have rained last night,__the ground is wet this morning.
- The ground is wet ,so it must have rained last night,（
- 21.She must have arrived there last night ,_______ (do/have/need/must)she
- 甲乙两辆汽车的速度比试5:6,他们行驶的路程相同,所用的时间比是?
- 力现象 光现象 相互转化
- 蛋壳,蛋壳膜,蛋白,蛋黄,胚,气室对鸡蛋本身有什么作用?
猜你喜欢
