Modals in the past

5. Complete the following sentence a suitable past form of should, may, might, could, couldn’t,

   can’t, must + the verb in brackets:

1. The new deal we signed wasn’t particularly cost-effective. With more careful preparation, we ........................................(negotiate) a much better price.

5. Complete the following sentence a suitable past form of should, may, might, could, couldn’t,

   can’t, must + the verb in brackets:

1. Angelo is having problems with his English. He ...........................(join) in the company English course last year.

5. Complete the following sentence a suitable past form of should, may, might, could, couldn’t,

   can’t, must + the verb in brackets:

1. I didn’t hear the phone ring. I ............................................ (be) asleep.

5. Complete the following sentence a suitable past form of should, may, might, could, couldn’t,

   can’t, must + the verb in brackets:

1. ‘I can’t find my car keys.’ ‘You ........................................(leave) them in the office.’

5. Complete the following sentence a suitable past form of should, may, might, could, couldn’t,

   can’t, must + the verb in brackets:

1. You ............................................(attend) the business development conference last month. It was probably the most interesting and useful conference I’ve been to all year.