Sentence examples for their theory from inspiring English sources

"Their theory has been tested.

"That's their theory".

Everyone has their theory.

Their theory could have died with them.

"Their theory does not change," he said.

Their theory became known as quantum chromodynamics.

Their theory, of course, is false.

But their theory failed the test.

Investigators began to develop their theory.

To prove their theory, laboratory experiments had to be conducted.

"We don't understand their theory of retaliation," she said.