ADV

strongly
rather
I rather suspect they were trying to get rid of me
rightly, wrongly
all along, always
These revelations only prove what I suspected all along

VERB + SUSPECT

begin to
have reason to
She had no reason to suspect that Sylvia had not been telling the truth

PHRASES

be widely suspected
It was widely suspected that the cadets had been acting on orders

ADV

rightly, wrongly

PREP

of
He was wrongly suspected of the crime

VERB + SUSPECT

have grounds to, have reason to

PHRASES

have grounds for suspecting sb/sth