Ответ:

2. If you don't play with it, it will go sleep.

3. If you program it, it will wake you up for school

4. If you praise it, it will wag its tail.

5. If you don't pay attention to it, it will get ill.

Объяснение:

После предложения с if мы ставим подлежащее + will+ v1

в предложении с if всегда ставим present simple.