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17. Practically all the chloride to be involved in metabolism enters
and leaves the body in combination with sodium.
18. In an experiment to measure the sensitivity of the reaction good
results were achieved.
19. The patients to be examined suffered from smoke intoxication.
2. Choose the correct form of the verb.
1. Do you remember
coming / to come
here in the ambulance?
2. This patient had to give up
playing / to play
tennis because of
chest pain.
3. Don’t forget
writing / to write
in your diet diary every day.
4. I recommend
using / to use
nicotine patches to help you.
5. Most people don’t mind
having / to have
an ECG.
6. Do you want
making / to make
an appointment for next week?
7. I’ll never forget
watching / to watch
an operation for the first
time.
8. The patient promised
making / to make
a big effort to stop smok-
ing.
9. People don’t feel like
exercising / to exercise
when they first
leave hospital.
10. You must remember
taking / to take
your medication every morn-
ing.