Fill in the Blanks Fill the blanksOnline version upper - past modals 7A by Florencia Di Martino 1 should broken might broke had must have been A Can you move your leg ? B No , it hurts too much . I think I it . ( perhaps I have broken it ) 2 has been might shouldn't left leaved have must leaf 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 put can't could has have should have haven't must A Oh no , the cake ? s burning ! B You the oven on too high . ( you definitely put the oven on ) 4 might can have must found drunk should drank 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 couldn't not saw should could has seen have might A Where ? s Jeremy ? He should be here . B He the email about the meeting . ( perhaps he didn ? t see ) 6 must have might work worked should has A Ellen passed all her exams with top marks ! B Wow ! She really hard . ( I ? m sure she worked ) 7 must can finished finish have can should 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 have shouldn't has got to might get might not been get not have able be 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 has have may switch off switched might should must A I called you earlier , but I got your voicemail . B Sorry . I my phone by mistake . ( I ? m sure I switched off )