这三句意思是差不多的,如果没有时态要求是可以互换的
唯一的区别就是could 和can的时态,could 表示过去时,can是现在时
but I （could） not understand him
3个回答
相关问题
-
But ,I could not find her/him .
-
i could not swim weel but i ___follow him
-
___many times,but he still could not understand it.
-
（）many times,but he still could not understand it.
-
he could not understand what she found wrong with him.
-
I also can not ,but I can understand it
-
I criticized him, you know, not ________ I hate him but ____
-
i criticized him,you know,not _______ i hate him but _______
-
I could not do anything but________
-
Tom____his son in the park,but he could not____him.