02 English Grammar Verbs 03 Modal Verbs Pdf
It isn't necessary 2 You tell the boss what happened, or he'll fire you 3 I wear a tie;Have to Level Intermediate ANSWER KEY My Notes 1 don't have to 2 Does / have to 3 has to 4 have to 5 have to / do 6 doesn't have to 7 has to 8 have to 9 Do / have to 10 has to 11 don't have to 12 has to 13 have to 14 Does / does 15 have to Grades as percentages 15 / 15 = 100% 14 / 15 = 93 13 / 15 = 87 12 / 15 = 80 11 / 15 = 73
