12)表示行为对象的介词to/at的用法区别:
一般地,at含"攻击"之意,而to则表示一般的行为对象。例如:
The dog wagged its tail and came to him.(向……走来)
On seeing the stranger,the dog came at him.(向……扑来)
Xiao Ming threw a stone to me,and I threw it at the dog.
13)to/for表"对……来说"时的用法区别:
①to表主观认为,for表客观事实。
Pierre thought that ball was important to him.At that time,things were even hard for the workers.
②to表其后的宾语本身认为,for表说话人认为。
These ideas may seem strange to you.("你"认为)
That will be a GREat festival for all the animals throughout the world.(说话人认为)
③to侧重直接作用,for侧重间接作用。
They said that the magic cloth would be invisible to anyone who was either stupid or unfit for his office.(直接作用)
Reading in the sun is bad for one's eyes.(间接作用)
④to侧重于表"全体"关系,for偏重于"部分"关系。
Their job is im-portant and necessary to us all.(全体)
Their special work is very important for the blind children.(部分)
⑤此外,句首多用to;不定式逻辑主语前只能用for;介词短语被副词等修饰时,只能用for,等等。
To my brother,those matchboxes are extremely valuable.
It's important for us to keep the balance of nature.
Happily for him,his father's second wife was kind to him,too.
