**動詞的語態(tài)**
- 及物動詞有賓語可變?yōu)楸粍诱Z態(tài)，不及物動詞無被動語態(tài)。
- 例如：“disappear”是不及物動詞，“The two thieves have been disappeared.”應去掉“been”。
- “The building built now will be our teaching building.”應在“built”前加“being”表示“正在被建”。
- “He is being operated by the famous doctor.”應在“operated”后加上“on”，“operate on sb”表示“給某人做手術”。
- 同理，“I wonder if the doctor has been sent.”應在“sent”后加上“for”。
- 書暢銷是其自身屬性，不用被動語態(tài)，“The book written by him is sold well.”應改為“The book written by him sells well.”
- “值得被做”的正確表達有“be worth doing”“be worthy of being done”“be worthy to be done”，“This history book is worthy reading.”應改為“This history book is worthy to be read.”
**非謂語動詞**
- 分詞作定語時要注意邏輯關系。
- “We are going to talk about the problem discussing at the last meeting.”應把“discussing”改為“discussed”，表示“被討論的問題”。
- “The girl dressed herself in red is my sister.”應去掉“herself”，“dress”的邏輯賓語是“girl”。
- 分詞作狀語時，邏輯主語是句子主語。
- “Being seriously ill, his class-mates sent him to hospital.”應改為“He being seriously ill”。
- “Having not seen her for many years, we could hardly recognize her.”應改為“Not having seen her for many years”。
- “Seeing from the space, the earth looks like a ball.”應改為“Seen from the space”，地球是被看。
- 注意不定式的用法。
- “English is easy to learn it.”應去掉“it”，“English”是“learn”的邏輯賓語。
- “I will get somebody repair the recorder for you.”應在“repair”前加“to”，“get sb to do sth”。
- “She decided to work harder in order to not fall behind the others.”應改為“in order not to”。
- 比較時結構要一致，“It’s better to laugh than crying.”可改為“It’s better to laugh than to cry”或“It’s better laughing than crying”。
- “It’s no use to send for the doctor.”應改為“sending”，“It’s no use doing”。
- “She practices to play the piano after school every day.”應把“to play”改為“playing”，“practise doing sth”。
- “When the teacher came in, he stopped listening to the teacher.”應改為“stopped to listen”，“stop doing”表示停止正在做的事，“stop to do”表示停下來去做另一件事。
**名詞性從句**
- 介詞賓語從句用“whether”引導。
- “We are talking about if this plan should be carried out.”應把“if”改為“whether”。
- “I can not decide if to stay or not.”應把“if”改為“whether”。
- 表語從句引導詞“that”一般不省略。
- “My suggestion is we try for a second time.”應在“we”前加上“that”。
- 名詞性從句用陳述句語序。
- “What will the professor say is not known yet.”應改為“What the professor will say is not known yet.”
