should have done 它的否定式是 shouldn't have done
人气:215 ℃ 时间:2020-02-04 07:05:48
解答
should have done => 表示 应该做而还没有做
shouldn't have done => 表示 不应该做而已经做了
推荐
- should have done
- would have done,might have done,could have done,should have done分别表示什么意思?
- should have done与should have been done的区别?
- should not have done 的意思
- 虚拟语气 should have done 与 could have done
- 随温度增高汽油密度是增高还是减少?
- 如图,在直三棱柱ABC—A1B1C1中,AC=3,BC=4,AB=5,AA1=4,点D是AB的中点.(Ⅰ)求证AC⊥BC1; (Ⅱ)求
- 1.当k为何值时,关于x的方程x²-(2k-1)x+k²=0有两个不相等的实数根?
猜你喜欢