Basic English Usage
Adjective phrases are used to describe a noun and are often formed with a preposition:
[noun] verb ( [adj] [prep] [object] )
[He] is ( [happy] [for] [you] ).
The most common prepositions used in adjective phrases are about, for, of, to, and with.
anxious about X :
The CFO is anxious about the tax audit.
It was expected that we would be anxious about the test results.
necessary for X :
What preparation is necessary for the meeting tomorrow?
Those presentation charts are unnecessary for the meeting.
aware of X :
She wasn't aware of any problems.
I am unaware of the problems you described.
accustomed to X :
We will become accustomed to this new way of doing business.
New employees are unaccustomed to using the new HR forms.
comfortable with X :
I am comfortable with the marketing plan.
Are you comfortable with our new manager?
Note: These adjectives are not always used with only these prepositions. They are just the most common combinations.
Lesson: Prepositions in Adjective Phrases
Course: Basic English Usage