专四系列非谓语动词.ppt

非谓语动词 D.It takes sb. sometime to do sth. 2) 动名词适用的句型： A. It is + n. + doing no use, no good, no fun, a great pleasure, a waste of time, a bore It is expensive+ doing good， interesting，nice，pointless There be + doing 3. A) The building ____________ now will be a restaurant .B) The building _____________ next year will be a restaurant .C) The building ______________ last year is a restaurant. (build) 4. A) He stood there __________ for his mother.B) _____________ for two hours , he went away. (wait) 作宾语时 aim ,ask,dare ,appear,arrange ,demand, help, hesitate, pay, plan, wait, fail, seek, prepare, happen, mean, prove, expect, wish, hope, decide, refuse, offer, learn, agree, choose, promise, pretend, manage, care, determine, afford permit, avoid, risk, allow, advise, forbid等动词后带宾语补足语时只能用动词不定式。 The teacher advised reading more books.（advise+宾语） The teacher advised us to read more books.（advise+sb+宾语补足语） You shouldn’t risk doing that.（risk+宾语） You shouldn’t risk your life to do that.（risk+sb+宾语补足语） 既能用不定式，又能用动名词的单词： begin, start, continue, afford, propose, cease等 ⊙不定式表示具体一次动作；动名词表示一贯爱好：hate, love, like, prefer ⊙ 用动名词以主动表示被动： want, need, require The bike needs repairing. = The bike needs to be repaired. The dininghall wants cleaning. = The dininghall wants to be cleaned. ⊙ 有意识地开始（停止）做某事，多用动名词；动作自动或突然开始（停止），多用不定式： begin, start, cease He began talking about his plan for summer holiday. Suddenly it began to rain. We started working on the program in 2001. The factory has ceased making motorcycles. After that she ceased to worry about her daughter. Tom stopped to have a rest. When the teacher came in, the students stopped talking. He tried to win the first prize. Since no one answered at the front door, he tried knocking at the back door. 区别非谓语动词作表语： Their job is building houses. (动名词） Their work is to build another bridge across the river. （不定式） The novel is very interesting （现在分词） and we are all interested(过去分词） in it. 作定语时 一、从语态方面判断 A)