简单句5种：
主谓 I run.
主谓宾 I eat breakfast.
主系表 I am handsome.
主谓宾补 He made her cry.
主谓双宾 She gives her mother a kiss.
从句作主语就是主语从句 What he did makes us surprised.
从句作宾语就是宾语从句 He said he would go to Beijing.
从句作表语就是表语从句 The truth is that that man killed the girl.
从句作状语就是状语从句 I ran out of my house when I heard the terrible noise.