Grammar mistakes:

I've written a paragraph below.....I've tried to get mistakes........but i think there are still many some mistakes in it....so please make it gramamtically correct.....!
Everyone knows that have(having) a good relationship with his boss is really
important. Some managers are easy ^(to) please while others seem
unapproachable and demanding. Sometimes because ^(of) their workload
or personal style, some managers make their staff feeling(feel) that they can
never get their questions answer or even worse^(if) their questions are
important or proper to ask. Similarly, the top-down, command- and-control
management style of some bosses and in fact that he
seems to know less than we are^(it) can be quite frustrating. .Yet, in order
to survive in the workplace, it is in our best interest to aware of
what is important for our boss, in order to know how to co-exist.
General speaking, autocratic bosses like to make decisions quick
and do not enjoy extend discussion. They are also not good at dealing