有个英语句子不明白我在一本书上看见 there're some food are on sale.这个句子出现两个be动

有个英语句子不明白我在一本书上看见 there're some food are on sale.这个句子出现两个be动 我有个英语句子,不知对否：There will may be some showers this afternoon. there are some birds singing in the tree,这个句子有there be 句型,又有 英语句子这两个句子那个是对的呀?There are some ducks on the river.There are there are some birds singing in the tree, 这个句子有there be 句型,又 be free意思就这个意思,不要句子痛苦刚刚在我的英语书上找到了，“Are you free now?”意思是你有时间 在一个句子里可以用两个there be吗? there are some books and there is a ph 英语句子中能不能出现两次some?如:There are some some giris near the door 英语句子中能不能出现两次some?如:There are some some giris near the door. 在一本英语书上看到这两个句子,感觉很奇怪： 在一个句子里,可不可以出现两个be动词?例如；There is some people is swimming.急 英语问题有本书上出现这样一个句子,是个定语从句,我不太懂,谢谢讲解一下!The plane in which I fle