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Ex.17. Present Indefinite Active or Present Continuous Active? Put the verb in brackets into the
correct tense form.
1) Many foreign tourists [to travel] in our country at present. 2) A person with a good education usually [to get] a better job. 3) The train is late because the workers [to repair] the track. 4) As a rule the
workers [to repair] the track in summer. 5) Look! Two aircrafts [to fly] in the dark sky. 6) This fast train
always [to arrive] on schedule. 7) This section of track [to need] reconstruction. 7) The problem of
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ecology [to become] one of the most important problems for mankind now. 8) Englishmen very seldom
[to talk] on the Underground. They [to prefer] to read newspapers. 9) My TV set [to work] better now
because we have installed the external antenna. 10) I can’t talk to you because I [to hurry]. 11) The phone
[to ring]. Can you answer it? 12) The arrow of compass always [to point] to the North. 13) Nowadays the
railways in the USA [to transport] only 0.6 per cent of passengers. 14) … all these passengers [to wait]
for the suburban train arrival? 15) … you often [to receive] letters from your former group-mates?
16) Please, don’t make much noise. The students [to write] a test. 17) … he usually [to buy] one-way or
round trip tickets? 18) What berth … you [to prefer] to travel by? 19) Where is John? – He [to meet] his
friends at the airport. 20) What platform …our train [to depart] from? 21) What … you [to look for]? – I
[to look for] my umbrella. Look out of the window, it [to rain] cats and dogs.
Ex.18. Past Indefinite Active or Past Continuous Active? Put the verb in brackets into the correct
tense form.