I had often heard of the moon being made of green cheese.

That night I thought the green cheese was made of the moon.

For all I know, the moon is made of green cheese.

It ought to go well after a diet of green cheese.

"Mary believes that the moon is made of green cheese"

Taken in moderation, green cheese can be good for your health.

She looked at me as though I'd solemnly informed her that the moon was made of green cheese.

"I once heard the moon was made of green cheese," said Garcia.

Right, and there's a chance we'll still find out the moon is made of green cheese.

I know that the moon is they tell me not made of green cheese.