4.1 (write) letters home once a week, but I (not write) one this week, so my next letter must be rather long. 5. No wonder she (look) tired after the strain under which she (be) for a month. 6. Why you (not shave) this morning? — I (shave) every other day. 7. Research (show) that lots of people (absorb) new information more efficiently at some times of day than at others. A biological rhythm (affect) different people in different ways. 8.1 just (look) at the barometer and (see) that it (fall) very quickly. 9. Don't shout so loudly. Father (not finish) work and he hates if anybody (make a noise) while he (work). 10.1 regularly (see) him at the tram stop, but I (not see) him these two or three days.
Write
Haven't written
Looks
Has been
Haven't shaved
Shave
Shows
Adsorb
Affects
Have looked
Have seen
Is falling
Hasn't finished
Makes
Is working
See
Am not seeing