一般about用于比較隨便的談話或非正式的文體;on用于正式的講話、著作或報告中;of用于動詞talk, read, know, say, hear, boast等的后面。如:
What are you talking about?
A paper on serfdom in Russian
In terms of natural resources
6.表示原料的介詞
of和out of表示制成品的材料仍保持原材料的性質;with表示制成產品的一種成分;from表示制成品已失去了原材料的性質;in表示制成品的材料的色調或特殊性。
His house was built of brick.
She made these toys out of old cigar-boxes.
A fruitcake is made with fruit.
Steel is made from iron.
We have furniture of this design in oak and in walnut.:
7.表示價格的介詞
at和for都可表示價格,at僅表示價格,for還表示“交換”,如:
Eggs are sold at 95 cents a dozen here.
I bought it for five pounds.
8.表示其它意義的介詞
in spite of, despite, for(all…), with(all…)等表示讓步意義的介詞。其中:despite較為正式,in spite of較為普遍,for/with(all…)較為口語化。
In spite of / despite the bad weather 盡管天氣不好
For / with all his shortcomings 盡管他有許多缺點
Except和but表示不包含的意義,只是單純地將其后面所接的人或事物排除在外,一般不用于句首,多跟在表示一個集體的名詞或代詞后作定語。
He gets up early every day except Sunday.
Who would do such a thing but Peter?
Except for和apart from表示不包含的意義,所引導的短語,主要用于狀語,以修飾全句,意為“除了有……之外”,“只是……”等,用于引出一個相反的細節或原因,因而部分地修正了全句的主要意思。
Except for Jack, the whole class passed the test.
Apart from its cost, the plan was a good one.
Except for和but for表示不包含的意義,可以引導有否定意義的條件狀語從句。
Except for / But for the storm we should have arrived earlier.
except 指從整體中除去一部分,而besides則表示“除……之外還有……”的意義。