Answer the questions using the present perfect continuous. Please add ‘for’ or ‘since’. Use contractions when possible.

How long has she been living here? (3 years)

How long have the dogs been playing outside? (8am)

How long has Simon been smoking? (40 years)

How long has he been studying to become a chef? (2022)

How long have they been waiting? (25 minutes)

How long have the guests been chatting? (hours and hours)

How long have you been playing the guitar? (2017)

How long has he been trying to pass his driving test? (6 weeks)

How long has it been raining? (2 hours)

How long has the sauce been cooking? (30 minutes)

How long has Alexander been working as a technician? (four years)

How long has she been studying the software? (10am)

How long have they been coming to the event? (six months)

How long has the cat been sleeping? (3pm)

How long has she been practicing ballet? (2 years)

How long has the engine been running? (15 minutes)

How long have we been standing here? (14:30pm)

How long has the alarm clock been ringing? (10 minutes)

How long has he been listening to classical? (2009)

How long has Gina been running her own business? (6 years)