主系表例句如下：
1、She is a teacher.她是个老师。
2、This apple is red.这个苹果是红色的。
3、That boy is very tall.那个男孩个子很高。
4、The water in the bottle is clean.瓶子里的水是干净的。
5、He is fat.他很胖。
6、I am tired.我累了。
7、We are students.我们是学生。
8、The bag was lost .袋子丢了。
9、The boy was foolish.这个男孩很傻。
10、They were kind.他们是善良的。
11、She is in the room.她就在那个房间里。
12、The books are on the desk The books.书放在桌子上。
13、Snow is white.雪是白色的。
14、Kate was here yesterday.凯特昨天在这里。
15、My father became a teacher in 1978.我的父亲在1978年成为了一名教师。
16、The weather gets hot in summer.夏天的天气很热。
17、She looks beautiful.她看起来很漂亮。
18、The flower smells good.这花闻起来很香。
19、We were very happy.我们非常高兴。
20、The soup tastes delicious.这汤味道好极了。
21、The little girl is six.小女孩六岁。
22、His job is taking care of the patient.他的工作是照顾病人。
23、The girl is very pretty.这个女孩很漂亮。
24、He went mad.他疯了。
25、Please don' t get angry。请不要生气。
26、The weather is getting colder and colder.天气越来越冷了。
27、She looks like her mother.她看起来像她的母亲。
28、Do you feel happy？He remained silent.你感到快乐吗？他一直保持沉默。
29、The weather is going to stay fine.天气会一直很好的。
30、My job is teaching English.我的工作是教英语。
31、She is at home.她在家。
32、I feel terrible. 我感觉糟透了。
33、He is older than he looks.他比他看上去还要大。
34、The desk feels hard.桌子感觉很硬。
35、The cake tastes nice.蛋糕味道好极了。