Put the verbs in brackets into the correct form. 1) my brother has to take (take) his medicine after dinner. 2) i (not/meet) my friend at the gym. he is sick at home. 3) you (eat) lots of fruit and vegetables when you are ill. 4) karat is feeling better; he (not/go) to the doctor. 5) i (cook) dinner to day. my mum asked me

If you drive along the river bank it is twenty miles out of your way.
If you take your mobile phone into class, it must be turned off.
We do not use calculators when we write tests.
If you push this button, the volume increases.
If you close the door, it locks automatically.
I wear my old boots when I work.
When I cook salads, I use only olive oil.
When I concentrate, please do not to make so much noise.
Unless prices rise, it is not a good investment.
Unless someone asks you politely, refuse to do anything.

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