有多少盒饼干的英文How many boxes of cookies are there?后面为什么要加are there?

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有多少盒饼干的英文How many boxes of cookies are there?后面为什么要加are there?

有多少盒饼干的英文How many boxes of cookies are there?后面为什么要加are there?
有多少盒饼干的英文How many boxes of cookies are there?后面为什么要加are there?

有多少盒饼干的英文How many boxes of cookies are there?后面为什么要加are there?
因为there be句型是说【有】,相当于一个不带主语的have.
也就是说这句子不加are there就木有动词了.
所以要加的~

联系上下文(语境)吧~

因为如果是陈述句应该是:there are ? boxes of cookes.