2 has the secretary come yet 3 i have learnt 4 have you ever been 5 they have already uniformed 6 i have ever known 7 kevin has already left 8 he hasn't received 9 i haven't heard 10 i haven't seen 11 have you had 12 we have seen 13 they have waited 14 mum has had 15 alan has worked 16 granny has been 17 have you ever ridden 18 sue hasn't taken