TWO-WORD VERBS (continued)
to try on Try these clothes on before you decide.
to turn in He turned his lesson in before he left.
He already turned in his lesson.
He turned in early because he was tired.
to turn off Always turn the machines off before you leave.
to turn on You must turn the machines on when you first arrive.
to turn out Turn the lights out before you leave.
Please turn out the lights.
to turn up Turn the heat up if you want.