expressing certatinty-M6

Choose the correct option to complete each sentence.

Can you call back in an hour? My boss should be returning/ should have returned by then.

Choose the correct option to complete each sentence.

There are no lights on - they might have gone out / be going out.

Choose the correct option to complete each sentence.

Within the next 50 years, people might be living/ might have been living in outer space.

Choose the correct option to complete each sentence.

By the end of this year, my sister will be living/ will have been living in Australia for nearly as long as Paul.

Choose the correct option to complete each sentence.

Can't you drive any faster? If we keep moving at this speed, the game will have finished/ will have been finished by the time we get there.

Choose the correct option to complete each sentence.

This time tomorrow I'll have finished/have been finishing my last exam.

Choose the correct option to complete each sentence.

By the time they arrive tomorrow, they'll be travelling/ have been travelling for nearly two days,

Choose the correct option to complete each sentence.

If we're lucky, we may be able/ have been able to give you the results of your tests this afternoon.