- 15 Put the verbs in brackets into the correct form.
1) What time ... the participants ... (to arrive) at the conference
last Wednesday? They (to arrive) by nine o'clock in
the morning. 2) How many clients ... he ... (to serve) by the
end of the day? He. (to serve) twelve clients. 3) ... the
performance ... (to finish) by nine o'clock yesterday? — No, it
... . 4) Unfortunately Samantha ... (never to use) this computer
program before. 5) Whom ... Robert ... (to see) during his last
visit to our town? Не
(to meet) some of his friends and
relatives. 6) What hotel ... you ... (to choose) to stay at during
your last trip? - I ... (to stay) at the Hilton Hotel. 7) Pam ...
(to have) such an experience before. 8)... Steve ... (to be) to our
Theme Park before this visit? — Yes, he 9) Which street ...
they ... (to live) before they moved? — They ... (to live) in Oak
Street. 10) By what time ... your grandparents ... (to finish)
their work in the garden yesterday? — They ... (to finish) their
work by six o'clock.​