Subjunctive 虛擬句式
事件並未發生,用在某人希望、期待、想像事件的發生狀況
動詞用原形(simple form)
例:
I suggest that he leave.
I beg that he retuen the money.
I insist that you be quiet.
用在強調事件的必要性、重要性
例:
I suggest that he study.
Is it essential that we be here?
通常搭配下列動詞
to advise(that)
to ask(that)
to command(that)
to demand(that) 需要
to desire(that)
to insist(that) 堅持
to propose(that) 計畫;提議;求婚
to recommand(that)
to request(that)
to suggest(that)
to urge(that)
例:
Dr.Smith ask that Mark submit his research paper before the end of the month.
Donna requested Frank come to the party.
句子的形式
It is best (that)
It is crucial (that) 決定性的;嚴厲的
It is desirable (that) 理想的;稱心的
It is essential (that)
It is imperative (that) 命令;急需;強制
It is important (that)
It is recommended (that)
It is urgent (that) 緊急;催促
It is vital (that) 致命的;充滿活力的
It is a good idea (that)
It is a bad idea (that)
例:
It is crucial that you be there before Tom arrives.
It is important she attend the meeting.
否定、被動、進行式時
The boss insisted that Sam not be at the meeting.
The company asked that employees not accept personal phone calls during business hours.
Jake recommended that Susan be hired immediately.
Christine demanded that I be allowed to take part in the negotiations.
It is important that you be standing there when he gets off the plane.
I propose that we all be waiting in Tim's apartment when he gets home.
取自:
http://www.ceafinney.com/subjunctive/excerpts.html
http://www.englishpage.com/minitutorials/subjunctive.html