Open the brackets and fill in the gaps. Mind the positive

Open the brackets and fill in the gaps. Mind the positive or the negative forms of the imperative sentences.

1) (To switch off) ______________________________ your mobiles.

2) (To read) _____________________________________ the instructions.

3) (Not to feed) _____________________________________ the animals in the zoo.

4) (To clean) _________________________________ your teeth.

5) (Not to swim) _______________________________________ in this lake.

6) (Not to talk) _______________________________________ to strangers.