The key to exercise solutions in chapter 3 - Grammar 2 for the textbook Gateway B2 - Workbook with authors Frances Treloar and Gill Holley from Macmillan Education
Question
Draw lines to match the verb forms with the tenses and their uses.
Answer
will have done – future perfect simple – activities / states that will be finished before a particular point in the future
will be doing – future continuous – activities in progress at a particular point in the future
will have been doing – future perfect continuous – how long an activity has been in progress before a particular point in the future