Remember that there are several variations that can be done with the grouping of simple sentences.

1. Problems show up in the eyes.
They are problems in the blood system.
They usually show up.

2. Therefore doctors check the eyes.

The check is routine.

They check in any emergency.

3. After the examination, the patient is moved.

The examination is brief.

The patient is moved to another room.

4. When surgery begins, the patient is given blood.

The surgery is an emergency.

It begins in less than an hour.

The blood is given in larger amounts.

5. The patient recovers from surgery.

The recovery is quick.

The recovery is fortunate.