Вставьте глагол в нужной форме, чтобы образовать условные предложения 0-го типа
1. drive) along the river bank (to be) twenty miles out of your way.
2. if (to take) your mobile phone into class, (must) be turned off.
3. use) calculators when (write) test.
4. if (to push) this button, the (to increase).
5. if (to close) the door, (to lock) automatically.