介词for基本可以归纳为以下几点:
1. The period between 1905 and 1915 was important one for Einstein.
for"对……来说"(利益)
All for one, and one for all. 人人为我,我为人人。
Smoking is not good for the health. 吸烟有害健康。
2. Einstein received worldwide praise for his scientific research.
for"由于"(理由,原因)
She was angry with him for being late. 她生气是因为他迟到。
3. In 1933, Einstein and his family left Europe for the USA.
for"向,往……"(方向,目的地)
This ship is for San Francisco. 这艘船是开往旧金山的。
4. ... but asked for very little money.
for"目的,追求"(以……为目的,为了得到……)
What is this for? 这是做什么用的?
She does aerobics for her figure. 为了保持身材,她做有氧运动。
5. He once refused to speak on the radio for $1,000 a minute.
for"交换,抵偿报酬"(以……的金额,与……交换……)
She took the blouse back to the store and changed it for another. 她把这件短上衣拿回店里换另一件。
I bought this set of coffee cups for $20. 我花了20美元购买这套咖啡杯。
6. Another time, someone saw him using a cheque for $1,500 as a bookmark.
for"面值……"
She handed me a bill for $100. 她给了我一张100美元的帐单。
to的用法
一：表示相对，针对
be strangeto
二：表示对比，比较
1：以-ior结尾的形容词，后接介词to表示比较
senior,junior
2: 一些本身就含有比较或比拟意思的形容词
A is similar to B in many ways.
3：表示一些先后顺序的形容词
they returned to their hometown
4: to也偶尔出现在个别动词之后,与动词形成固定词组,表示比较
compare to sth.
5: to与及个别的名词构成比较之意,
Going to an under water concert is a great alternative to going to dinner
