1. choose the correct form of the modal verb. 1. i am sure he ……. do this work tomorrow. a) could b) will be able to c) was able to 2. i ……… wear a formal dress, i was having an interview that day. a) must b) had to c) was to 3. when you meet him, you ….. be very careful not to upset him. a) had to b) are to c) must 4. when i was young i ….. run for miles. a) could b) can c) was able to 5. though he could hardly speak he …….. finish the lecture. a) could b) was able to c) will be able 6. when he is better he …….. have walk in the garden when it’s fine. a) will be allowed to b) can c) may 7. you have wonderful dresses, maral, ……… i take one with your kind permission? a) can b) may c) am allowed 8. dear mum, i ……… have a minute’s rest since you left. a) couldn’t b) wasn’t able to c) haven’t been able to