on the radio
on the phone
on time (= not late)
- Tracy isn’t at work this week. She’s on vacation.
- We watched the news on television.
- We listened to the news on the radio.
- I spoke to Carol on the phone last night.
- The house is on fire! Call the fire department.
- ”Was the train late?” “No, it was on time.”
at (the age of) 21 / at 50 kilometers an hour / at 100 degrees, etc.
- Lisa got married at 21. (or … at the age of 21)
- A car uses more gas at 70 miles an hour than at 55.
- Water boils at 100 degrees Celsius.
by car / by bus / by plane (or by air) / by boat / by bicycle, etc.
- Do you like traveling by train?
- Can you get there by bike?
그러나 도보로는 on foot. But: on foot
- You can’t get there by car. You have to go on foot.
a book by … / a painting by … / a piece of music by …, etc.
(the tile) by (the writer)
- Have you read any books by Charles Dickens?
- Who is that painting by? Picasso?
수동태 다음에 by. by after the passive
- I was bitten by a dog.
with / without
- Did you stay at a hotel or with friends?
- Wait for me. Please don’t go without me.
- Do you like your coffee with or without milk?
- I cut the paper with a pair of scissors.
a main with a beard / a woman with glasses, etc.
- Do you know that man with the beard?
- I’d like to have a house with a big yard.
talk/speak/think/hear/know about …
- Some people talk about their work all the time.
- I don’t know much about cars.
a book / a question / a program (etc.) about …
- Did you see the program about computers on TV last night?