Formal or Informal

Which of these words is more formal?

• Buy

• Purchase

Why is it important to know when to use formal or informal language?

• It's easier

• We want to be more polite with people we don't know so well.

• It's cheaper 

It appears that our records are out of date, so it would therefore be most helpful if you could forward the information requested overleaf.

• Formal

• Informal

Thank you very much for your cooperation in this matter.

• Formal

• Informal

It'll be great to see you again after so long!

• Formal

• Informal

My husband and I request your presence...

• Formal

• Informal

It is with deep regret that I must inform you ...

• Formal

• Informal

Hope this advice will be of some help to you.

• Formal

• Informal

Would it be possible to get together over lunch sometime soon?

• Formal

• Informal

I sympathize completely with your predicament but unfortunately no further action can betaken at this time.

• Formal

• Informal