1.      Do you mind my making up my mind to change my mind?

2.      At present the presenter presenting the present is present.

3.      At this point there’s no point in pointing to the point pointed out.

4.      I thought a thought ,but I thought the thought I thought wasn't the thought I thought.

5.      I saw a saw saw a saw.

6.      Please can the can in this can, you can not can the can in that can.

7.      The boarding student boarded on a broad board abroad.