ADV

immediately, instantly
I immediately recognized the building
easily
This is the only species of flamingo in the region, easily recognized by its pink plumage
barely, hardly
Stella hardly recognized her brother

VERB + RECOGNIZE

learn to
You learn to recognize the calls of different birds
be easy to

PREP

as
He recognized the man as one of the police officers
by
I recognized her by her red hair
from
I recognized them from a television show

ADV

fully
They fully recognize the need to proceed carefully
belatedly, finally
The government has belatedly recognized the danger to health of passive smoking

VERB + RECOGNIZE

must
be important to
begin to
be slow to
The company had been slow to recognize the opportunities available to it
fail to

PREP

as
This issue must be recognized as a priority for the next administration

PHRASES

be generally/universally/widely recognized, be increasingly recognized
The strength of this argument is being increasingly recognized
failure to recognize sth

ADV

clearly
The law clearly recognizes that a company is separate from those who invest in it
formally, officially
internationally, nationally
The Medway estuary is recognized internationally as a conservation area

VERB + RECOGNIZE

agree to
refuse to

PREP

as
All rivers should be officially recognized as public rights of way

PHRASES

be legally recognized
A bill of exchange is a legally recognized document
a refusal to recognize sth