VERB + AMBULANCE call (for), get, phone/ring/telephone for, send for Quick, call an ambulance! | drive
AMBULANCE + VERB be on its way Don't worry?the ambulance is on its way. | arrive, come When the ambulance came, I carried her out.
AMBULANCE + NOUN service | crew, staff | driver, man, worker | station
PREP. by ~ She was rushed to hospital by air ambulance. | in an/the~ He went in the ambulance with Lizzy.