some sheep用什么be动词?

some sheep用什么be动词? There are some sheep in the yard．如题sheep是不可数的,为什么be动词用are? sheep are white.中be动词为什么用复数形式 sheep表复数时,be动词用are还是is? here( )(be)some sheep in the fields? 动词作主语be动词用什么 There_(be) some sheep near the tree.用括号所给的单词的适当形式填空 什么情况下BE动词用be? there are some 什么(sheep) on the hill.急 什么是be动词 什么情况下用那个be动词 用所给动词的适当形式填空 快,今晚就要 快1.Two and six ________(be)eight.2.There________(be)lots of sheep on the farm last yeaar.3.The boy with his friends________(have) some homework every day.4.Youmust ______(listen) to your teacher There be some tea in the cup.这里的be动词填什么?为什么? Where__(be)a ruler,a rubber and some pencils in it.求填什么be动词? people 是否可以用some和 many来 形容?some/many people 后be动词是什么? some water后面的be动词是什么 什么词用在be动词后,行为动词前 情态动词can后,be动词用什么形式 some +不可数名词,算单数还是复数?作主语,后面跟什么be动词?