And
- She spoke impressively at the meeting and won the appreciation of all.
But
- I offered to help but she refused my help.
For
- I must try hard for there is a heavy competition.
Nor
- He is not my friend nor my relative.
Or
- You must begin the work today or you will finish it in time
Either-or
- You must either take up this job or continue your studies
Neither-nor
- He neither liked nor respected her husband
- She neither helped his father nor loved him
- They neither returned the money nor promised to pay it later
