<例句>
It is careless of you to lose so much money.
你太粗心,掉了那么多錢。
<語法分析>
of...to do sth.用在句中作主語,可接形容詞作表語。it作形式主語。而for...to do sth.除了在句子中作主語外,還可以作表語、賓語、定語和狀語等,作主語時(shí),其表語可以使形容詞,也可以是名詞。有些形容詞,如nice,right,wrong,good和wise等都可用于這兩個(gè)結(jié)構(gòu)中,但是意思有所差異。
<觸類旁通>
(1)It's very kind of you to help me .
你幫助我真是太好了。
語法分析:of...to do sth.結(jié)構(gòu)用在句中作主語。
(2)My suggestion is for you to do your homework.
我建議你去做家庭作業(yè)。
語法分析:for...to do sth.結(jié)構(gòu)在句子中作表語。
(3)I'd like for you to come here.
我想還是你來這里好。
語法分析:for...to do sth.結(jié)構(gòu)在句子中作賓語。
(4)He has a lot of work for you to do.
他有很多活要你來做。
語法分析:for...to do sth.結(jié)構(gòu)在句子中作定語。
(5)He opened the door for the students to come in.
他開門讓學(xué)生進(jìn)來。
語法分析:for...to do sth.結(jié)構(gòu)在句子中作狀語。
(6)It is important for your teachers to attend today's meeting.
參加今天的會議對你的老師很重要。
語法分析:在for...to do sth.結(jié)構(gòu)中,不定式的邏輯主語可以是人或物,也可以是引導(dǎo)詞there。
(7)You are kind to lead the blind man across the road.
你真是好心人,把盲人引過馬路。
語法分析:for...to do sth.結(jié)構(gòu)中,后面的名詞或代詞與前面的形容詞有邏輯上的主表關(guān)系。
<鞏固練習(xí)>
(1)It is impossible for you _____ [get] there in such a short time.
(2)It will be a mistake for me not _____[help] them.
(3)It is possible for us to spend three hours _____[complete]the composition.
(4)It will take three hours for us _____[complete]the composition.
(5)It is a good idea for the present _____[give] to her.
(6)It is a pity for there _____ any disagreement in the company.
(7)It is wrong of the hunter _____[kill] the monkey.
<參考答案>
(1)to get (2)to help (3) completing (4)to complete (5)to be given (6)to be (7)to kill