I.
noun
ADJECTIVE
▪ routine
▪ special ( BrE )
▪ armed
▪ foot
▪
Every police car and foot ~ in the area is on full alert.
▪ mounted
▪ reconnaissance
▪ dawn , night
▪ air , army , military , naval , police , security
▪ enemy
▪ border
▪ coastal , harbour/harbor ( esp. AmE ), maritime , shore
▪ highway ( AmE ), traffic ( BrE )
▪
The highway ~ has sealed off the area.
▪
helicopters used for traffic ~s
▪ safety ( AmE ) (= to help children cross the street, etc.)
VERB + PATROL
▪ carry out , conduct , fly , go on
▪
The Italians flew regular ~s over the desert.
▪ maintain
▪
They maintain a continuous ~ of the oceans with three submarines.
▪ send out
▪
They sent out four-man ~s to scout the area.
▪ ambush , attack
▪
One soldier was killed when his ~ was ambushed.
PATROL + NOUN
▪ aircraft , boat , car , craft , vehicle , vessel
▪ duty
PREPOSITION
▪ on ~
▪
police officers on ~
II.
verb
Patrol is used with these nouns as the subject: ↑ guard , ↑ helicopter , ↑ officer , ↑ police , ↑ policeman , ↑ submarine , ↑ troops
Patrol is used with these nouns as the object: ↑ area , ↑ border , ↑ neighbourhood , ↑ perimeter , ↑ sky , ↑ street , ↑ territory , ↑ zone