The students were free to move as their opinions changed.

On the other hand, a number of the Republicans say their opinions have not changed.

He did not yet suspect how quickly his opinion would change.

But with the report now out, his opinion easily could have changed a bit.

Of course, when all the results were in, she knew her opinion might change.

My opinion has changed recently simply because I've heard more about him.

My students say their opinions on language changed during the project and mine have, too.

That opinion may have changed as each candidate came and went.

However, my opinion has changed a great deal and I hope you have noticed that.

The public opinion on him has also changed since then.