The "held T" is, strictly speaking,

　　not really a T at all.

　　1. He's forgotten the carton of satin mittens.

　　2. She's certain that he has written it.

　　3. The cotton curtain is not in the fountain.

　　4. The hikers went in the mountains.

　　5. Martin has gotten a kitten.

　　6. Students study Latin in Britain.

　　7. Whitney has a patent on those sentences.

　　8. He has not forgotten what was written about the mutant on the mountain.

　　9. It's not certain that it was gotten from the fountain.

　　10. You need to put an orange cotton curtain on that window.

　　11. We like that certain satin better than the carton of cotton curtains.

　　12. The intercontinental hotel is in Seattle.

　　13. The frightened witness had forgotten the important written message.

　　14. The child wasn't beaten because he had bitten the button.