找出下列句子的主詞:

(1)Doing housework could be relaxing.
(2)The man sitting in the corner stood up and took out a gun.
(3)That he was a medical student made him popular among the girls.

3.甚麼是「主要動詞」?

英文句子一定要有主要動詞，主要動詞帶出針對主詞的談論內容，也就是述語，通常是一個動作或狀態。主要動詞必須呈現時態(過去、現在、未來)，並受限於主詞的人稱和單複數。

◆小試身手3
找出下列句子的主要動詞:
(1)Doing housework could be relaxing.
(2)The man sitting in the corner stood up and took out a gun.
(3)That he was a medical student made him popular among the girls.

4.甚麼是「受詞」?

受詞是指接在及物動詞或介系詞後面的名詞，必須使用受格。英文的受詞一定是名詞，長度也是可長可短，可能是一個單字、片語、或子句。

5.甚麼是「補語」?

補語常接在主詞或受詞的後面，分別稱為主詞補語和受詞補語。主詞補語顧名思義是補充說明主詞的狀態，受詞補語則是說明受詞的狀態或動作。補語的結構有很多種，有可能是名詞、形容詞、不定詞片語等。

◆小試身手4
找出下列句子中的補語:
(1)He looked tired.
(2)Joe is the best player on our school team.
(3)The news made us excited.