it's polite ( ) him ( ) soA.for; to do B.of ;doing C.of; to do D.for ;doing
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![it's polite ( ) him ( ) soA.for; to do B.of ;doing C.of; to do D.for ;doing](/uploads/image/z/10709996-68-6.jpg?t=it%27s+polite+%28+%29+him+%28+%29+soA.for%3B+to+do+B.of+%3Bdoing+C.of%3B+to+do+D.for+%3Bdoing)
it's polite ( ) him ( ) soA.for; to do B.of ;doing C.of; to do D.for ;doing
it's polite ( ) him ( ) so
A.for; to do B.of ;doing C.of; to do D.for ;doing
it's polite ( ) him ( ) soA.for; to do B.of ;doing C.of; to do D.for ;doing
C 因为是it's +形容词+for(或of )+某人+to do
含有感情色彩时用of
A, it is polite for sb. to do sth.
C 因为是it's +形容词+for(或of )+某人+to do
含有感情色彩时用of
C
句型It’s + 形容词 + of sb. to do sth.和It’s + 形容词 + for sb. to do sth.的用法区别。
“It’s + 形容词 + to do sth.”中常用of或for引出不定式的行为者,究竟用of sb.还是用for sb.,取决于前面的形容词。
1) 若形容词是描述不定式行为者的性格、品质的,如kind,good,nice,...
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C
句型It’s + 形容词 + of sb. to do sth.和It’s + 形容词 + for sb. to do sth.的用法区别。
“It’s + 形容词 + to do sth.”中常用of或for引出不定式的行为者,究竟用of sb.还是用for sb.,取决于前面的形容词。
1) 若形容词是描述不定式行为者的性格、品质的,如kind,good,nice,right,wrong,clever,careless,polite,foolish等,用of sb. 例:
It’s very kind of you to help me. 你能帮我,真好。
It’s clever of you to work out the maths problem. 你真聪明,解出了这道数学题。
2) 若形容词仅仅是描述事物,不是对不定式行为者的品格进行评价,用for sb.,这类形容词有difficult,easy,hard,important,dangerous,(im)possible等。例:
It’s very dangerous for children to cross the busy street.
对孩子们来说,穿过繁忙的街道很危险。
It’s difficult for us to finish the work. 对我们来说,完成这项工作很困难。
for 与of 的辨别方法:
用介词后面的代词作主语,用介词前边的形容词作表语,造个句子。如果道理上通顺用of,不通则用for. 如:
You are nice. (通顺,所以应用of)。
He is hard. (人是困难的,不通,因此应用for.)
祝学习进步!
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