they are 后面能加some It is a book.复数可以变they are some books 不是there are 是they are我知道there are 后面要加some我问的是they are后面要加some吗？

they are 后面能加some It is a book.复数可以变they are some books 不是there are 是they are我知道there are 后面要加some我问的是they are后面要加some吗？ these are 后面要加some吗?如these are some books还是these are books 这句英语对不对,it后面不用跟is吗?some textbooks are so out of date that they think it a waste of time to attend classes. some ice cream后面加is还是are they are from some countries 用it改为单数句子 look at this family.后面加it还是THEY They are far away from the sea 这句对不对They后面加个are对不对 some后面能加the+名词复数吗 some of people后面是加is还是are some of men呢 Things here are same now as they were before为什么在are后面加the it is+adj+of结构 后面名词是复数 前面是 it is 还是 they are They are my father 后面能不能加名字 如They are my father Jack,my brother Bob and i it is后面能直接加不可数名词吗 get used to 后面能加it吗 write down it后面能加介词短语吗? it后面加什么 英语人称her的后面为什么加s对话：a：Are they your pen?b：No they aren't.they are hers .为什么加s? some能加不可数名词么 比如some paper write是及物动词么 后面加介some能加不可数名词么 比如some paper write是及物动词么 后面加介词不