21 The printer is making funny noises; it is going to break down again.
22 By the end of the year, Eric will have been working on his new computer gadget for almost seven months.
23 Mr Higgins is giving a demonstration of the new robot tomorrow evening.
24 By this time next month, we will have completed our computer training course.
25 I will install the anti-virus software on your computer as soon as I get home tonight, I promise.
26 Are you buying Peter a new games console for his birthday?