Viết lại câu với enough hoặc too...to: He didn't speak clearly enough for me to understand

ENOUGH....

TOO.....TO....

1. He didn't speak clearly enough for me to undertand 
->
2. William is too fat to wear the jeans 
-> 
3. David was too sick to go to work 
-> 
4. The tables were too heavy for me to lift 
->
5. She is too weak to get up 
->