It's for sb.和 It's of sb.區別解析與判斷

It's for sb.和 It's of sb.區別解析與判斷

It's for sb.和 It's of sb.區別解析與判斷

 
1)for sb. 常用於表示事物的特徵特點,表示客觀形式的形容詞,如easy, hard, difficult,  interesting, impossible等:
   It's very hard for him to study two languages. 對他來說學兩門外語是很難的。

It’ s very important for you to solve the problems.

解答出那些難題對於你來說非常重要.

It's important for us to study English.學習英語對我們很重要。
2)of sb的句型一般用表示人物的性格,品德,表示主觀感情或態度的形容詞,如good, kind, nice, clever, foolish, right。kind、wrong, clever, careless, polite,
   It's very nice of you to help me. 你來幫助我,你真是太好了。
 It’s very nice (kind,friendly) of you to help me carry the baggage.

你真友好,幫我搬了行李.

It's kind of you to help me.你能幫助我真是太好了。

for 與of 的辨別方法:

用介詞後面的代詞作主語,用介詞前邊的形容詞作表語,造個句子。如果道理上通順用of,不通則用for。如:

You are nice. (通順,所以應用of)。

He is hard. (人是困難的,不通,因此應用for。)

總的來說,for sb.的結構是指這件事對於某人的作用或意義,而of sb.的結構是指發言者對行為者的主觀評價和看法。

註解:這兩個詞最比較好用的辨別方法:如果be動詞後的形容詞是說明不定式的邏輯主語,就用of sb.to do...;如果是說明整個不定式的,則用 for sb.to do...;例如:

1.It is very kind of you to help us.(可以轉換成:You are very kind to help us.kind說明 you 的屬性);2.It is possible for us to get there before dark.(不可轉換成:we are possible...,而應該是 for us to get there is possible)

It's for sb.和 It's of sb.區別解析與判斷


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