英语句子:I want to crashing down,But i can't lost any more.有错误吗?

错了。
可以说：I will crash down.
I am going to crash down.
I am crashing down.
I am about to crash down.
不可以说：I wanto to crashing down.

改成but I can't lose any more.

有错误

want to do sth.
所以应该是want to crash down

can后面应该是动词原形
所以应该是 I can't lose any more.

不对。
:I want to crash down,But i can't lose any more.