S：虛主詞、不定詞、動名詞 2009/04/14 Bernice Tseng
The story is interesting. S(主詞)N The story is interesting.
The story is interesting.故事有趣 S. V. Adj. The game 遊戲有趣 The movie 電影有趣 S(主詞)N The story is interesting.故事有趣 S. V. Adj. The game 遊戲有趣 The movie 電影有趣 若S不只是個N， 如[打籃球]有趣、[彈鋼琴]有趣
S(主詞)不定詞、動名詞 S is interesting. 打籃球 play basketball 彈鋼琴 play the piano Playing basketball is interesting. Playing the piano is interesting. To play basketball is interesting. To play the piano is interesting. V-ing動名詞當S To VR不定詞當S V-ing 與 To VR當主詞，視為一件事情，後面接單數動詞
S(主詞)不定詞、動名詞 make me happy. 與朋友聊天 使 我 開心 chat with friends
S(主詞)不定詞、動名詞 與朋友聊天 使 我 開心 chat with friends makes 這件事情 Chatting/To chat with friends make me happy. 與朋友聊天 使 我 開心 chat with friends 這件事情 第三人稱單數 makes
S(主詞)虛主詞 to chat with friends. Chatting with friends makes me happy. To chat with friends makes me happy. S太長，可用it(虛主詞代替，真正的S放到句尾 It makes me happy 若放在句尾，只用不定詞(to + VR) to chat with friends.
S(主詞)N, V-ing, To+VR, 名詞子句(that子句、疑問詞子句) The news is important. To learn English is important. Learning English is important. is important. 妳應該每天吃藥 這件事 是 重要的 You should take medicines every day That S + V you should take medicines every day
S(主詞)N, V-ing, To+VR, 名詞子句(that子句、疑問詞子句) The story is true. To get up early is hard. Getting up early is hard. It is hard to get up early. That Peter likes Mary is true. It is true that Peter likes Mary. What Peter said is true. =The things that
常用句型It is adj. of/for sb. to VR It is adj.(形容人) of 人 to VR (nice, kind, clever, thoughtful ) 翻譯：人很adj而做V It is adj.(形容事情) for 人 to VR (Impossible, easy, difficult) 翻譯：做V是對人來說是adj
It is adj.(形容人) of 人 to VR It is adj.(形容事情) for 人 to VR It is kind you to invite me. It is hard him to finish the job. It is considerate her to help others. It is impossible a child to live alone. It is nice Peter to help strangers. 仁慈 for 困難 of 體貼 for 不可能 of 好