單數(shù)可數(shù)名詞通常不能單獨使用,前面要加the, this, that, a, an或者加代詞所有格my, their等。
There are two cups on the table. (正)桌子上有2只茶杯 。
There are two cups on table . (誤)
Can you see a tree in the garden? (正)你能看見園子里的一棵樹嗎 ?
Can you see tree in the garden? (誤)
What is in your bag ? (正)你書包里有什么 ?
What is in bag ?(誤)