Some common expressions
Good at / bad at / clever at
The expression good at is used to talk about things that you enjoy or excel at doing. After good at, you can use a noun or an –ing form. Note the preposition: we use at, not in.
- I am good at cricket. (NOT I’m good in cricket.) (NOT I’m good with cricket.)
- Is she good at singing?
- My brother is good at drawing.
- She isn’t very good at dancing.
- That boy is quite good at sports.
- I’m not very good at singing.
- Are you good at dancing?
- She is very good at writing.
Bad at is the opposite of good at.
- She is very bad at cooking. (= She can’t cook at all.)
- I’m not bad at tennis. (= I can play reasonably well.)
- Susie is bad at singing. (= She can’t sing at all.)
Clever at has a similar meaning to good at.
- She is very clever at cooking. (= She is good at cooking.)
- I’m not very clever at painting.
- He is very clever at painting.
- Samuel is very clever at baseball.
Of course means ‘without any doubt’ or ‘certainly’.
- ‘Can you help me?’ ‘Of course.’
‘Of course’ can also be used for giving permission in a polite way.
- ‘May I come in?’ ‘Of course you may.’
Of course not
Of course not means ‘no’.
- ‘Could you lend me 100 dollars?’ ‘Of course not.’
Of course not is also used to refuse permission.
- ‘Can I borrow your car tonight?’ ‘Of course not. I need it.’