1.   We knew something was wrong because the dogs were howling.

2.   The dogs howled all night.

3.   The dogs were howling at the moon.

4.   A dog howled in protest.

5.   Dogs howl, roosters crow.

6.   Dogs howled outside.

7.   I once thought my dog was howling plaintively when, in fact, he was merely bored.

8.   In the Jones case, no dogs howled.

9.   Salinas asked Lajous to keep the hound in his garage overnight, but the dog was howling and Lajous refused.

10.   The buildings are falling down and the streets are clogged and the stench is enough to make the dogs howl.