fear后面加什么?doing 还是to do还是of doing?

fear后面可以加 doing 或 of doing （见下）：
fear （动词）是及物动词,用法是 fear + 名词,名词短语或从句,
比如 fear doing ...
例：
Man has always feared the unknown
I fear doing it wrong and getting laughed at
The boy fears going out in the thunder storm
We fear that we will not be able to afford to buy the new car
fear （名词）的句型是
fear of + 名词/名词短语
比如 fear of doing ...
例：
Fear of doing the wrong thing has caused John to appear indecisive.
Fear of failure has made many people unwilling to take risks.

fear of doing sth