6.名詞化的介詞作主語。如：The ups and downs of life must be taken as they come.

　　我們必須承受人生之沉浮。

　　7.不定式用作主語。 如：To find your way can be a problem.你能否找到路可能是一個(gè)問題。

　　It would be nice to see him again.

　　如能見到他，那將是一件愉快的事。

　　8. 動(dòng)名詞用作主語。如：Smoking is bad for you. 吸煙對(duì)你有害。

　　Watching a film is pleasure, making one is hard work.

　　看電影是樂事， 制作影片則是苦事。

　　9. 名詞化的過去分詞用作主語。如：The disabled are to receive more money.

　　殘疾人將得到更多的救濟(jì)金。

　　The deceased died of old age.

　　死者死于年老。

　　10. 介詞短語用作主語。如：To Beijing is not very far. 到北京不很遠(yuǎn)。From Yenan to Nanniwan was a three-hour ride on horseback.

　　從延安到南泥灣要三個(gè)小時(shí)。

　　11.從句用作主語。如: Whenever you are ready will be fine.

　　你無論什么時(shí)候準(zhǔn)備好都行。

　　Because Sally wants to leave doesn’t mean that we have to.

　　不能說薩利要走因而我們也得走。

　　12.句子用作主語。如：”How do you do ?” is a greeting.“你好”是一句問候語。