AND
- Mohan and Ravi went to the library.
- He came in and I went out.
BUT
- I rang you up yesterday but you were not at home.
IF
- If you go to market please bring apples for me.
BEFORE
- Mohan had gone for a walk before I got up.
WHEN
- We shall go to watch a movie when he comes back from college.
WHILE
- She was studying while her brother was playing.
Whereas
- He is a politician whereas his brother is a poet.
IN CASE/PROVIDED THAT (in the condition that, only if)
- She will prepare tea in case you bring sugar.
- He will help you to get this license provided (that) you give him Rs.50,000/-
THEREFORE/SO
- John had missed his bus so he got late.
- He had fever therefore he didn't go to office yesterday.
BECAUSE
- You will succeed because you are working hard.
AS (because, in the same way, like)
- Let's go to bed as it is 11.30 PM.
- We can't employ him as he is lazy.
- I want to succeed in life as my father did.
- Now write on the paper as I say.
OTHERWISE/ELSE/OR
- Do not make a noise otherwise I’ll punish you.
- Work hard else you will not get good marks.
- Call him or he will be angry.
CONSEQUENTLY (as a result)
- He did not work hard consequently he failed.
UNTILL/TILL (time)
- Wait here till I come back.
- Do not switch on the T.V. untill I complete my homework.
UNLESS (condition)
- He will not lend you money unless you sign on this agreement.
ALTHOUGH/THOUGH (regardless of the fact that)
- She didn't call me although I was at home.
- He doesn't help anybody though he is rich.
