I can't
1:I can't believe it!
难以置信
2:I'm sorry I can't come.
对不起我不能来
3:I don't feel I can't put up with it any longer.我感到再也不能忍受了.
4:I can't hack it anymore.
这件事我处理不了了.
5:I can't self-deception
我不能自欺欺人
I couldn't
1:I couldn't keep the appointment because I was sick.我没能赴约,因为我病了.
2:I'm sorry I couldn't make your party last night.
很抱歉,昨晚我没能参加你们的聚会.
3:I couldn't possibly watch TV since I'm terribly busy.
我这么忙我不能看电视了.
4:I couldn't stand the pace.
我跟不上这速度.
5:I'm sorry,I couldn't possibly let you have it.
对不起,我不能把它给你.