我全部搞混淆了。谢谢
何时用of何时用for
大家都知道,在句型“It is+形容词+for
sb. to do sth.”与“It
is +形容词+of sb. to do
sth . ”结构中,for短语与of短语都可以表示后面不定式的逻辑主语。但是不少同学却常常搞不清何时用of,何时用for。现分述如下:
1. 如果前面的形容词是表示赞美或批评的词语(如:kind , wrong , silly ,
careless等),而且不定式的逻辑主语是指具体的某个人,这时用of。此时句子也可以换成“sb. + be + 形容词+to do sth . ”结构。如:
It is very kind of you to do so.
You are very kind to do so.
你这么做真好。
2. 如果前面的形容词是表示赞美或批评的词语,后面不定式的逻辑主语不是指具体的某个人,而是泛指任何人,这时就要用介词for。如:
It is not polite for anyone to laugh at others.
任何人嘲笑别人都是不礼貌的。
3. 如果前面的形容词不是表示赞美或批评的词语,而是一些表示重要性或必要性、难度性、可能性等的形容词,这时一律用for短语。常见的这类形容词有hard , difficult , possible , impossible , important , necessary
等。如:
It is important for us to learn English well.
对我们来说学好英语是重要的。
练一练:用介词for或of填空:
1. It is kind ______ you to help me.
2. It”s hard ______ me to help you.
3. It”s careless _____ you to lose so much money .
4. It is impossible _______ him to come tonight.
5. It is wrong _______ you to break the glass.
6. It is necessary _______ you to come earlier tomorrow.
Keys :
1. of 2. for 3. of 4. for 5. of 6. for
大家都知道,在句型“It is+形容词+for
sb. to do sth.”与“It
is +形容词+of sb. to do
sth . ”结构中,for短语与of短语都可以表示后面不定式的逻辑主语。但是不少同学却常常搞不清何时用of,何时用for。现分述如下:
1. 如果前面的形容词是表示赞美或批评的词语(如:kind , wrong , silly ,
careless等),而且不定式的逻辑主语是指具体的某个人,这时用of。此时句子也可以换成“sb. + be + 形容词+to do sth . ”结构。如:
It is very kind of you to do so.
You are very kind to do so.
你这么做真好。
2. 如果前面的形容词是表示赞美或批评的词语,后面不定式的逻辑主语不是指具体的某个人,而是泛指任何人,这时就要用介词for。如:
It is not polite for anyone to laugh at others.
任何人嘲笑别人都是不礼貌的。
3. 如果前面的形容词不是表示赞美或批评的词语,而是一些表示重要性或必要性、难度性、可能性等的形容词,这时一律用for短语。常见的这类形容词有hard , difficult , possible , impossible , important , necessary
等。如:
It is important for us to learn English well.
对我们来说学好英语是重要的。
练一练:用介词for或of填空:
1. It is kind ______ you to help me.
2. It”s hard ______ me to help you.
3. It”s careless _____ you to lose so much money .
4. It is impossible _______ him to come tonight.
5. It is wrong _______ you to break the glass.
6. It is necessary _______ you to come earlier tomorrow.
Keys :
1. of 2. for 3. of 4. for 5. of 6. for
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第1个回答 2014-01-30
for +v-ing 意思相当于because 还有for sb /for sth
of +n a piece of cake 你也不可能用for...跟着语感读一遍就能判断了
of +n a piece of cake 你也不可能用for...跟着语感读一遍就能判断了
第2个回答 2014-01-30
for和of都是介词。for一般跟名词连用动词后面要加ing。of也可以是连词。
第3个回答 2020-02-18
20200218_065456