1. He is too old to wear this colored shirt.

⇒ He is not young enough to wear this colored shirt.

2. She is too weak to carry this box.

⇒ She is not strong enough to carry this box.

3. This pen is too expensive for me to buy.

⇒ This pen is not cheap enough for me to buy.

4. Bill was too stupid to understand what I had said.

⇒ Bill is not smart enough to understand what I had said.

5. This bag is too heavy for her to carry.

⇒ This bag is not light enough for her to carry.

6. The test was too difficult for them to do.

⇒ This test was not easy enough for them to do.

7. I'm too poor to help you with the money.

⇒ I'm not rich enough to help you with the money.

8. This book is too dull to read.

⇒ This book is not interesting enough to read.

9. The room is too dark for us to study.

⇒ The room is not bright enough for us to study.

10. The shelf is too high for her to reach.

⇒ The shelf is not short enough for her to reach.

~Good luck~