Grammar
3
* underline the correct verb form.
1 the gardener will have mowed/will have been
mowing the lawn by noon.
2 by the end of the year, the author will have
worked/will have been working on his new
novel for three years.
3 mary will have been writing/will have written
her report by friday.
4 by 2050, the global population will have been
increasing/will have increased to 9 billion.
5 at 5 o'clock, the mechanic will have repaired/
will have been repairing the tractor for an
hour.
6 it's no use going to the supermarket now; it
will have been closing/will have closed by the
time we get there.
7 by the time they reach the farm, they will have
travelled/will have been travelling for two
hours.​