英语主系表练习

They are students.他们是学生。They are cute.它们很可爱。They are brilliant.他们很聪明。

主系表结构英语例句简单带翻译，要有他们They are students. 他们是学生。They seem to be hungry.他们似乎 饿了。They look tired and thirsty. 他们看起来 又累又渴。勤学好问 天天进步！ 开心快乐每一天！

He is a boy. It tastes delicious. Watching TV is bad for your eyes. The trees turn green. I am fifteen years old. The story sounds very interesting. They are my friends. It seems terrible. What they said is wrong. She stays angry for long.

They are students. 他们是学生。

They seem to be hungry.他们似乎 饿了。

They look tired and thirsty. 他们看起来 又累又渴。

I am a student. 我是个学生。

You should keep healthy. 你应该保持身体健康。

He fell asleep. 他睡着了。

They have become good students. 他们成了好学生。

It gets warmer and warmar. 天气越来越暖和。

主系表结构是指英语句子中的主要成分是主语、系动词和表语。主语是一句话的中心，系词本身有一定的意义，不能单独使用，表语是用来修饰的。

主语（ Subject ）：主语是一句话的中心，表示所说的是谁或是什么，其位置一般放在句首。英语中主语一般不省略。主语主要由名词，代词，动词不定式或不定式短语， 从句，某些固定词组来充当。系动词则包括be动词等，而表语紧随在系动词之后，主要表示主语的状态等性质。