IT IS THEM WHO I HELP 是什么句？ it's i who help you 对吗？

people who help them \u662f\u4ec0\u4e48\u53e5\u5b50\uff1f

\u4f60\u597d\uff0c
people who help them \u662f\u5b9a\u8bed\u4ece\u53e5\uff0c
\u5982\u6ee1\u610f\u8bf7\u91c7\u7eb3

I \u6539\u4e3ame.

是强调句。it is + that(who) + 从句，构成的强调句
强调句可以通过以下方法鉴别
即把it is that(who）去掉，看是不是一个完整的句子。
这句话，去掉后为“I help them"是主谓宾完整的一句话，所以为强调句

强调句吧，修饰人who与that都可以
他们就是我帮助的人。
一般强调句句式是it is被强调部分that……

强调

强调句

扩展阅读：who αre them ... whois that speaking ... whos that woman ... they are my grandparents ... who of them ... whos that boy ... what do they do ... who are you2015 ... whose car is this ...