Sentence examples for are theories from inspiring English sources

Again, these are theories.

There are theories.

But there are theories.

There are theories, of course.

"There are theories about this.

There are theories galore about Pietersen.

"Occasionally in science there are theories that refuse to die despite the overwhelming evidence against them.

There are theories that chronic MDMA use leads to serotonin (another neurotransmitter) depletion over time.

But there are theories to explain the huge expected gate as well.

The reasons for the marriage's end are not clear, though there are theories.

They are theories of the ego, the id, and the superego (and what is left, really?).