Question

there+aren't+many+people+under+the+tree同义句？

Answer 1

您好，There aren't many people under the tree.  的同义句：

1）There are some people under the tree.

are some 是 aren't many 的同义词。some 还可以使用 several，a few 等表数量少的词汇替换。

Answer 2

这个there be句型的意思是：树下的人不多。
同义句是：Not many people are under the tree.