1. I don't have so many books as my sister does
=) I have fewer books than my sister
2. My fried has more teddy bears than I do
=) I don't have many teddy bears as my friend does
3. His father drinks more coffee than he does
=) He drinks less coffee than his father
4. She has less time to relax than her brother does
=) Her brother has more time to relax than her