unless
The man was going to order just a drink UNLESS they were having a sale on the sandwiches.
or
He had to choose between doing his work OR playing tennis.
but
The cat wanted the feather BUT the person kept pulling it away.
if
IF the team scores they will win the game.
when
The pins will fall down WHEN the ball hits them.
although
ALTHOUGH it looked like the man was going to hit the ball, he missed.
after
AFTER the baby looks at the doll she is going to give it a hug.
because
The little girl was crying BECAUSE she lost her cat.
and
The brown dog AND the black dog were running through the water.
not only....but
The kids are NOT ONLY wet, BUT so is the teacher.
either....or
The rope belongs to EITHER the black dog OR the brown dog.
yet
The momma bird brought food, YET the babies were still hungry.
since
The kids had not been in the pool SINCE last summer and they were excited to be swimming again.
so
The man hurt his fingers SO he had to bandage them.