Things seemed to have changed since the last time he was out here.

Nothing seemed to have changed since the time she had been here last.

Little seems to have changed in the years since then.

He didn't seem to have changed much since the last time she'd seen him.

But now your mind seems to have changed a bit.

He seems to have changed his way of living in the last few months.

But the book seems to have changed in the writing.

But something seemed to have changed these past few months.

Just when she needed him most he seemed to have changed.

When I met with him again, he seemed to have changed.