Look

Look to: rely on somebody or something.
Look up: Find the information in a book, on a map or a timetable.
Look ahead: Think about what is going to happen in the future and make plans.
Look back: Think about something that happened in the past.
Look for: Try to find something.
Look forward to: Feel pleased and excited about something that is going to happen.
Look in: Visit a person or place for a short time.
Look on: Whatch something without taking part yourself.
Look out: Whatch what is happening and be careful.
Look round: Turn to look at something behind you.
Look through: Read something quickly and briefly