think ABOUT ... and think OF ...
When you
think ABOUT something, you consider it, you concentrate your mind on it:
- I've thought about what you said and I've decided to take your advice.
- 'Will you lend me the money?' 'I'll think about it.'
When you
think OF something, the idea comes to your mind:
- It was my idea. I thought of it first. (not thought about it)
- I felt embarrassed. I couldn't think of anything to say. (not think about anything)
We also use
think of when we ask or give an opinion:
- 'what did you think of the movie?' 'I didn't think much of it.' (= I didn't like it much)
The difference is sometimes very small and you can use
of or
about:
- When I'm alone, I often think of (or about) you.
You can say
think of or think about doing something (for possible future actions):
- My sister is thinking of (or about) going to Canada. (= she is considering it)
dream ABOUT ... (when you are asleep)
- I dreamt about you last night.
dream OF or ABOUT being something / doing something =
imagine- Do you dream of (or about) being rich and famous?
I
wouldn't dream OF doing something =
I would never do it- 'Don't tell anyone what I said.' 'No, I wouldn't dream of it.' (= I would never do it)
complain (
TO somebody)
ABOUT ... =
say that you are not satisfied- We complained to the manager of the restaurant about the food.
complain OF a pain, an illness etc. =
say that you have a pain etc.- We called the doctor because George was complaining of a pain in his stomach.
warn somebody
ABOUT a person or thing which is bad, dangerous, unusual etc.
- I knew he was a strange person. I had been warned about him. (not warned of him)
- Vicky warned me about the traffic. She said it would be bad.
warn somebody
ABOUT or OF a danger, something bad which might happen later
- Scientists have warned us about (or of) the effects of climate change.