主語(yǔ)——謂語(yǔ)（動(dòng)詞）——表語(yǔ)(主系表)
這一句型中,動(dòng)詞是系動(dòng)詞,常見(jiàn)的系動(dòng)詞有：表示狀態(tài)的動(dòng)詞：be (am,is,are,was,were),表示變化的動(dòng)詞：become,grow,turn,get(變得),感官動(dòng)詞：look,smell,sound,taste,feel,表示“似乎”的動(dòng)詞:seem,appear,表示持續(xù)的動(dòng)詞：keep,remain等,找出表語(yǔ).
1.Mr.Brown is an engineer.(名詞做表語(yǔ))
2.Gradually he became silent.(形容詞做表語(yǔ))
3.She remained standing for a hour.(現(xiàn)在分詞做表語(yǔ))
4.The question remained unsolved.(過(guò)去分詞做表語(yǔ))
5.The machine is out of order.(介詞短語(yǔ)做表語(yǔ))
6.The television was on.(副詞做表語(yǔ))
7.His plan is to keep the affair secret.(動(dòng)詞不定式做表語(yǔ))
8.My job is repairing cars.(動(dòng)名詞做表語(yǔ))
9.The question is what you want to do.(從句做表語(yǔ),即：表語(yǔ)從句)
注意：在下面的句子中,形容詞做表語(yǔ),在表語(yǔ)的后面常常接不定式結(jié)構(gòu).
I'm happy to meet you.
They are willing to help.
We are determined to follow his example.
句1.表語(yǔ)是名詞 an engineer,其前可以加上一個(gè)形容詞good修飾表語(yǔ),這個(gè)形容詞做定語(yǔ)Mr.Brown is a good engineer.
句2.表語(yǔ)是形容詞 silent,其前可以加上一個(gè)副詞very修飾表語(yǔ),這個(gè)副詞做狀語(yǔ)Gradually he became very silent.
由上可知表語(yǔ)加什么詞來(lái)修飾要看具體情況即：表語(yǔ)是什么詞性