I need do everything myself 这句话有没有语法错误

I need do everything myself 这句话有没有语法错误
I need do everything myself 这句话有没有语法错误

I need do everything myself 这句话有没有语法错误
没有,need可以作情态v,与must一样.

应该是I need do everything for myself

I need to do everything by myself.
need to do 需要做某事
by oneself 单独

I need to do everything myself.

I need to do everything by myself