I have blue car .I have blue cars.什么区别,还是哪句错?

I have blue car .I have blue cars.什么区别,还是哪句错? I have a sweater blue i have three blue pen I'd like to have a blue pencil是什么意思 I have a blue book这里面哪个是什么动词 I have two pens.One is black,_____is blue. i have three blue skirts(对划线部分提问) I have an blue pencil改病句谢谢 i have a book,the cover of which is blue. I have a pair of blue jeans.划a提问 I have an(a)_car.A,an English old blue B,a blue old English I don`t have a car.与I don have any cars有何不同?