There are some sheep in the yard．如题sheep是不可数的,为什么be动词用are?

look!there are some sheep and There are some sheep on the hill 划线部分提问划some sheep there are some sheep near the lake一般疑问句 There are some sheep in that c___ of the mountain there are some 什么(sheep) on the hill.急 There are ____(a/an/some) sheep on the hill Are there any______on the farmyes there are some A horse B duck Cchicken D sheep There are some sheep in the yard．如题sheep是不可数的,为什么be动词用are? There ( ) some sheep on the hill.括号里填is还是are? Here are some of my sheep 英语 There are five______(sheep)under the tree 变单数 We are childrem. Those are sheep. These are elephants. They are wolves.There are many feese in the lake.There are some oranges on the tree.We have some knives.they are deer. 用＂is are＂填空　3.There __ some babies in the room.4.There __ some sheep under the tree. there is a sheep on the hill and it is eating grass there改为同义句there are some ___ ____ grass on the hill 两道英语改变句子There are some horses on the farm（一般疑问句并肯定回答）There are many sheep onmy farm（划线提问）（many sheep）--------------一楼的！你还没肯定回答呢！ there is some sheep under the tree哪里错了? There aren't some sheep on the farm.(改错) 英语翻译There are some( ) ( ).