VERBS

be, seem
become
remain

ADV

extremely, very
increasingly
fairly, quite
These problems now seem fairly common

VERBS

be

PREP

to
This attitude is common to most young men in the armed services

PHRASES

have sth in common
Jane and I have nothing in common (= share no interests, ideas, etc.) . I have nothing in common with Jane. The two cultures have a lot in common (= have the same features, characteristics, etc.)
hold sth in common
They hold the property as tenants in common (= they share it)
in common with
Britain, in common with (= like) many other industrialized countries, has experienced major changes over the last 100 years

VERBS

be, seem, sound
I wish you wouldn't use that word?it sounds so common

ADV

very
a bit, rather, slightly
I don't like Sandra. She seems a bit common to me