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to 和for的区别it's difficult ____(to/for)me it's no good ____(to

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to 和for的区别
it's difficult ____(to/for)me
it's no good ____(to/for)you
这一类句型里的区别
请给出答案并总结
to 和for的区别it's difficult ____(to/for)me it's no good ____(to
1.for
2.be good to对…好;对…很慈善
be no good to:对...没有用
这是两种不同句型.
1.It's +形容词+for sb to do sth.
It's +形容词+of sb to do sth.
第一题是考这类题型的.在这类题型中,如何选择介词for还是of,主要看前面的形容词,如果这个形容词是修饰介词后面的人,那么,用介词of; 如果这个形容词修饰后面的动词不定式,那么,就用介词for.
eg.It's nice of you to help me.
It's difficult for some of us to learn English well.
2.第二题是考be good to sb 这个词组的.
eg.I will be good to other people.我会善良的对待其他人.
This round of macro-control this year has just begun,the market is still in wait-and-see stage,it was said that prices can not fall out,or a would be no good to anybody.今年这一轮宏观调控才刚刚开始,市场尚处于观望阶段,又有人出来说房价不能跌,跌了对大家都没有好处.