能力与不能够（Ability and inability）

1. 询问能力
Can you ride a bike?             
Will you be able to join my birthday party?
Is she unable to come to my birthday party？  
Didn’t you know how to swim?
2. 表达有能力、无能力
I can/can’t drive a car.            
I can manage it myself.
I can’t manage to work out the maths problem.
There’s nothing I can do about it.  
I don’t know how to mend her telephone.

道歉（Apologies）

1. 表达道歉
Pardon?                       
Excuse me!
I beg your pardon.              
I’m sorry/sorry.
I’m sorry for/about…..
2. 回答别人的道歉的应答语
That’s all right/Ok.           
It doesn’t matter./That’s nothing./Never mind.
No problem./Don’t worry about it!

相似于差别（Similarities and differences）

1. You finger has the same DNA as your hair.  
2. Li Ming looks like his father.          
3. China is very different from Australia.
4. Western custom are different from Chinese customs.