on[preposition] 1 in contact with a surface or line: There’s something on you chin. 2 With time expressions: I’ll see you on Sunday.[adverb] connected, or continuing, or goin forward: Who left the lights on? Grammar patterns1. Cambridge is a city on the river Cam.2. I’m depending on you to help with the driving.3. At least we agree on one thing. ~ The cost.4. Why waste money on a taxi when we can walk.5. Can you hold on a minute, and I’ll het him.6. You can’t go on pretending you love her.7. Can I try on these jeans?8. We cheered our team on.

on

Collocations Catch on, go on, move on, keep on, press on, push on,

stay on, sign on. Hand on, put on, pass on, switch or turn on, take on, try

on On board, foot, disk, line, the phone, TV, the radio,

strike, time, business, duty, call, holiday, track, the way, purpose, sale, loan, fire, ice, tap, a diet.

Keen on, tough on, dependent on, based on.

on

Set phrases1. on and on: The lecture went on and on and I nearly

fell asleep.

2. What’s goin on? What’s going on? Why aren’t you ready yet?

3. What’s on …at? What’s on at the Tivoli? ~Terminator II.

4. Have a lot on/have nothing on = be very busy/have nothing planned. e.g. What’s he doing this evening? ~ nothing.

~ He hasn’t anything on.5. Straight on = continuing in the same direction: Drive

straight on until you come to a gas station.