Circle the correct words in bold. then write what the words in each sentence express (ability in the present/ past/future, opportunity to do something, ability in a specific situation in the past). 1 you can / could use the computer now if you like. 2 in 100 years, we can / will be able to go on holiday in space. 3 the computer is working again. nurislam was able to / could fix it in half an hour. 4 you can / are able to go out with your friends if you finish your homework now.
2 In 100 years, we will be able to go on holiday in space. (ability in the future).
3 The computer is working again. Nurislam was able to fix it in half an hour.
(ability in the past).
4 You can go out with your friends if you finish your homework now. (opportunity to do something).