A. ask / belong / happen / listen / speak / talk / thank / think / wait / write
• A man stopped me and asked me for money.
• Does this book belong to you? (= Is this your book?)
• I can't find my pen. What's happened to it?
• Listen to this music. It's beautiful.
• Did you talk to Paul about the problem?
• Thank you very much for your help.
• He never thinks about (or of) other people.
• Mark is thinking of (or about) buying a new car.
• Don't go yet. Wait for me.
• I never get letters. Nobody writes to me.
• I must phone my parents. (not 'phone to my parents')
B. look at / look for / look after
look at ...
look for ... (= try to find)
look after ... (= take care of, keep safe)
• She's looking at her watch.
• Look at these flowers! They're beautiful.
• Why are you looking at me like that?
• He's lost his key. He's looking for it.
• I'm looking for Sarah. Have you seen her?
• When Barbara is at work, a friend of hers looks after her children.
• Don't lose this book. Look after it. (= Keep it safe)
C. depend
• A: Do you like eating in restaurants?
• B: Sometimes. It depends on the restaurant. (not 'it depends of')
• You can say it depends what/where/how (etc.) with or without on:
• A: Do you want to come out with us?
• B: It depends where you're going. or It depends on where ...
ask / belong / happen / listen / speak / talk / thank / think / wait / write
asked me for money
belong to you
happened to it
listen to this music
talk to Paul
thank you ... for your help
thinks about other people
thinking of buying a new car
wait for me
writes to me
look at / look for / look after
looking at her watch
look at these flowers
looking for it
looking for Sarah
looks after her children
look after it
depend
depends on the restaurant
depends where you're going