用I can't和couldn't造句(各5句）

I can't help myself.
I can't stop dumpping.
I can't always keep smile.
I can't go out because I must do my homework.
I can't borrow the money to such person.
I couldn't fall away such little baby.
I couldn't stop borrowing the money to the poor people.
I couldn't contrary to my conscience。
I couldn't look upon on such working hard but poor student.
I couldn't move my hurt foot.

I can't1: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 ...