For是介词 前面一般接动词
介词的基本用法
介词 (preposition) 又称前置词，是英语中最活跃的词类之一，它表示的是它后面的名词或代词(或相当于名词的其他词类、短语或从句)与其他句子成分的关系。
competent for 胜任
for good 永远
for the sake of 为……缘故
for the better 好转
for the purpose of 为……目的
for a change 改变一下
for the time being 暂时
for fear of 免得
an affection for 爱，爱情
application for 申请
(make) preparation for 为……作准备
blame for 责怪，责备
cause for 理由
readiness for 为……准备就绪
an occasion for 时机，机会
contempt for 轻蔑，藐视
a demand for 需要，需求
evidence for 证据，根据
a fondness for 喜欢
a reason for 理由，原因
a respect for 尊敬，尊重
a search for 搜寻，找寻
例如：
I should like to repeat my opening remarks for the benefit of those who just came in.
我愿重复一下我的开场白，以便让刚入场的人也能听到。
She got up early to be ready for the post.
为了静心等候邮件，她一早就起床了。
New York is famous for its skyscrapers.
纽约以其摩天大楼而著称。
His excuse for being late was that his train was delayed.
他晚到的理由是火车晚点了。
This new school will have no playground for the time being.
这所新学校将暂时没有操场。
If one does not have respect for oneself, one can't expect others to respect him.
如果一个人不能自重，那么就别指望别人尊敬他。
Nobody knows the age of the earth for certain.
没有人确切知道地球的年龄。
温馨提示：答案为网友推荐，仅供参考