Police dogs are very effective in tracking criminals.

He applied medicine to the wound.

His encouraging words give me courage.

He and I held a meeting to settle the matter.

He was unconsciously following the woman.

I spilled coffee on my white shirt and stained it.

He is accustomed to reading stories to his children every night.

I was surprised by his ill-bred attitude.

I can't stand his impudent attitude.

He tied the rope to the tree.