Fill in the Blanks Fill the blanksOnline version upper - past modals 7A by Florencia Di Martino 1 must should broke have had broken been might A Can you move your leg ? B No , it hurts too much . I think I it . ( perhaps I have broken it ) 2 might left leaf must leaved shouldn't been have has A Look ! The gate ? s open and the dog has gone . B Oh no ! We it open when we went out . ( I ? m sure we left it open ) 3 should could have has have haven't put must can't A Oh no , the cake ? s burning ! B You the oven on too high . ( you definitely put the oven on ) 4 should drank can must might drunk have found A I can ? t find the milk . We ? t it all . ( I ? m sure we didn ? t drink it ) B Yes , you ? re right . It must be in there somewhere . 5 saw could has should seen not couldn't might have A Where ? s Jeremy ? He should be here . B He the email about the meeting . ( perhaps he didn ? t see ) 6 has must work might should worked have A Ellen passed all her exams with top marks ! B Wow ! She really hard . ( I ? m sure she worked ) 7 can have finish can should finished must A I ? ve done my homework , Mum . I ? m going out . B What ? You ? t all of it . Let me see it . ( it ? s impossible you ? ve finished ) 8 been not got be to has get get have have might not able might shouldn't A We didn ? t see Dan and Sarah at the concert . B They / tickets . I think the concert was sold out . ( perhaps they weren ? t able to get ) 9 might switched have should must may has off switch A I called you earlier , but I got your voicemail . B Sorry . I my phone by mistake . ( I ? m sure I switched off )