任何英文句子或子句都必須有主詞，祈使句亦有主詞You，但通常省略掉。



Ⅰ. 名詞
1. Money is one of the most important inventions of mankind.
2. Correction does much, but encouragement does more.
3. Gary intends to accompany you to the MRT station.
4. Wealth is the thing for which Bill strives.
5. Health is the most important thing in life.



Ⅱ. 代名詞
1. It is very important to form good living habits.
2. She is beautiful.
3. He wants to get up early tomorrow morning.
4. I insisted on going there.



Ⅲ. 動名詞
1. Climbing mountains requires skill and physical strength.
2. Having a credit card enables you to carry very little cash.
3. Being with you is really nice.
4. Trying it again is no use.
5. Having no boyfriends worried her a lot.



Ⅳ. 不定詞
1. To persuade or convince people is a principal purpose of writing and speaking.
2. To see is to believe.
3. To make friends is not easy.
4. To teach is to learn.
5. To waste time is wrong.



Ⅴ. 名詞子句
1. Health and strength may fail, but what’s on your mind is yours forever.
2. How iron was first discovered is still a mystery.
3. That a good many people pay little attention to punctuality is a pity.
4. That Jonathan was a foreigner made it difficult for him to get a good job.



Ⅵ. 名詞片語
1. How to keep a balance between body and mind is the subject matter of philosophy.
2. The purpose of education is to replace an empty mind with an open one.






1. 保護我們的生活環境是每個人的責任。 _________________________________________________________
2. 這座橋的建築花費了10年。 _________________________________________________________
3. 你愛上了Mary，是不是真的？ _________________________________________________________
4. 學而不思猶如食而不化。 _________________________________________________________