I must have an ally in the house, he observed reflectively. 
He thought there should be an alley in his house.
He said there should not be an alley in his house, because he hates alleys.
A man is painting.
Jon wasn't sure about the look in the desert ghost's eyes.
It seemed terribly far-fetched compared to the other options.
You should be afraid.
What are you going to sell?
A musician with a well-known group is using their musical skills.