Them的主格英语是they
Them是宾格通常用作为宾语的句子成分,比如说I want them to go to dinner tonight.  I will give them a souvenir。
them的主格是they。
主格是指名词的语法的格。现在的英语中仍然存在于与宾格相反的主格代名词:I(宾格为me)、you(宾格为you)、we(宾格为us)、he(宾格为him)、she(宾格为her)、it(宾格为it)以及they(宾格为them)
(一)主语:句子的主题/中心,或者是句子中行为动作的主体/发出者
宾语:行为动作的客体/承受者。
(二)例句:
I am a student. I like apples.
You are my friend. You play basketball very well.
找出每句中的主语和宾语。
We are friends. We often play football together.
He is my brother. He has a dog.
She is very kind. She always helps her classmates.
They are teachers. They teach students in the classroom.
找出下句中的主语(主格)和宾语(宾格)
I help you, and you help me.
We help him/her/them.
He/she helps us.
They help us.
在句子中做主语的代词形式即是主格,作宾语的代词形式即是宾格。
区分:实意动词前用主格,动词后用宾格。