VERBS

be, feel, look, seem
My suitcase was beginning to feel very heavy
become, get
You're getting too heavy to carry!
make sth
The bottles of wine made the bag even heavier
find sth
I didn't find it too heavy to carry

ADV

extremely, really, very
fairly, pretty, quite, rather
Be careful. That box is rather heavy

VERBS

be
become, get
The rain was getting quite heavy

ADV

extremely, really, very
The traffic's really heavy on the bypass
fairly, pretty, quite