在英语中to的用法是比较重要的，一般来说 to 有两种基本用法：
1.做介词，表示“到，向，往”，如go to，fly to，后面跟名词作定语，构成介宾结构。
2.动词不定式的标志，很常见的，如：want to do，be happy to do。
注意有一些看似不定式但实为介词的结构，如 look forward to，pay attention to ，他们后面跟动词的ing 形式作宾语，千万不能跟原形。
其他的如to +do 作定语等等基本都是以上两种用法的延伸。
be strange (common, new, familiar, peculiar, distinct, sensitive,immune, vulnerable, indispensable) to
Air is indispensable to life.
Aircrafts are vulnerable to interference caused by radiation.
This injection will make you immune to infection.
The quarrel happened prior to my arrival.
A is similar to B in many ways.
Subsequent to the war,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,如:prefer to,compare to,incontrast to
compare to sth.表示比喻或比拟,而compare with sth.表示比较,如:
World is usually compared to a stage
Compared with his past,he has changed a lot.
Prefer的正确句型是:prefer A to B或prefer doing A to doing B,但当prefer后接动词不定式时,表示比较的介
词to就要改成rather than ,如:
The undaunted soldier preferred death to surrender.
Many people prefer spending money to earning money.
They prefer to pursue careers rather than remain home as house wives.
Going to an under water concert is a great alternative to going to dinner.
1: 表示回复,反应意思的词,如:answer to question,
solution to problem,response to inquiry,reaction to proposal,reply to letter
2: 表示建筑构件的词汇,如: entry,entrance,approach,access,passage,exit,vent,path
the approach to a bridge引桥
the approach to science
Half of the population was estimated to have no access to the health service.
The access to education 接受教育的机会
The access to medical care 享受公费医疗的权利
3: 表示人物职位和官衔的词,如:assistant to manager, ambassador to Spain, successor to tradition,heir to
throne,deputy to the National People’s Congress
advisor to the Prime Minister
The employee finally got the admission to the boardroom.
Everyone has an equal right to ……..
5: 表示栅栏或障碍的词汇,如:bars to development,the barrier to progress
6: 表示与书籍,文本相关的词,如:introduction to passage.
The director proposed a toast to the health of the guests.
Let's drink to Dick’s success in business
8: 另外还有一些名词符合这种用法,有的具有两者息息相关,缺一不可的含义.如:key todoor,invitation to
guide to action,limitation to life,accessory to school
如:sing to piano, chance to the tune, stamp to the rhythm of the song, add salt to taste
（一）：表示相关联，相连接，如：be related to,be relative to,in relation to,be relevant to,link to
Investigate all the facts related to the problem.
People often linked walth to happiness.
1：to引导的表示反对，抗拒，对抗意义的词组。Be opposed to,be oppsist to,be contrary to,beadverse to,be
resistant to,be contradictory to,object to,oppose to,deny tp,be aline to
These buildings are resistant to earthquake.
They are to tally opposed to any changes being made in the plans.
2: to引导的表示同意，赞同意义的词组：consent to,subseribe to,
The employer consented to give him a salary raise.
表示调整，使符合，使适应的含义，如：adapt to,commodate to, adjust to,conform to,habituateto,fit to,suit
to,correspond to,cater to
She tried to habituate herself to the style of plain living.
Your action should conform to the interests of the people.
They offered various foods to cater to the need of customers.
His words doesn’t fit to his actions.
Suit your writing style to the masses.
3: 表示投降,屈服,服从的含义,如:be subject to,be subordinate to,submit to,subject to,surrenderto,give in
to,confess to,admit to.
The minority is subordinate to the majority少数服从多数
Countries nearby oceans are always subject to earthquake.
He confessed to having robbed the woman of her wallet.
We’re not the kind of people to yield to any military threat.
如:tend to,be prone to,be inclined to,be apt to,be liable to
He’s liable to seasickness.
You are liable to come to wrong conclusion.
如:sick to,hold o,adhere to,cling to
He still holds on to his original views.
如:limit to,confine to,resrict to
He’s confined to the house by illness.
He confined his remarks to scientific mangement.
如:get (be) to,used to,be accustomed to
Finally,the students got used to my teaching method.
如wing to,due to,thanks to,attribute to,come down to
The flight was cancelled due to the thick fog.
The famous artist attributed his success to his wife.
如:aim to,lead to,give rise to
I aim to be an excellent college teacher.
His conceit lead to his failure.
These bad condition has given rise to a lot of crises
如:be doomed to,be destined to,
All military adventures by the two super powers are doomed to fail.
如:in addition to,add to,amount to
In addition to relief supplies,he also presented with some money.
The annual output of steel amounts to 1200 tons.
如:be addicted to,contribute to,devote to,commit to
He is determined to devote all his life to his.
如:look forward to反date back to
The church dates back to the 13th century.
如:close to,next to
I don’t like wool next to my skin.
如:resort to,turn to,appeal to,
He usually appeals to arms to settle the territory dispute.
十七: 表示有关注,关于: as to,with regard to
十八: 表示关注或重视,如:pay attention to,attach to,
We should attach primary importance to job training.
十九: 表示依据或是根据,如:according to,in proportion to
According to today’s newspaper,the match will be postponed.
The lending countries subscribe towards capital stock in proportion to heir economic importance.
二十: 表示应该或必须含义的句式, 如:
It’s time to get up.
We are supposed to get here at seven.
It’s up to this country to ban nuclear weapons.