a. The waiter was not nice but the food was delicious.
b. The waiter was nice and the food was delicious.
c. The campers decided to rest as there was no hurry.
d. We can go out for dinner now or we can go out later.
e. The teacher both left the classroom and slammed the door.
f. She laughed as the puppy chased its tail.
g. Both elephants and blue whales are big animals.
h. You must either clean your room or stay home on the weekend.
a. I would have helped you if you had talked to me earlier.
b. If he doesn't arrive on time, he cannot complete his test.
c. I would have gone hiking if she was there to accompany me.
d. If you finish your homework on time, we can go out.
e. If you had called him, he would've been sure to help you.
f. When I can, I help her with her studies.
g. Present real conditional sentence.
Hope it helps. :)