The butterflies fly higher than the bees改否定和一般疑问句

问题描述:

The butterflies fly higher than the bees改否定和一般疑问句

The butterflies don't fly higher than the bees.
Do the butterflies fly higher than the bees?The fish swim faster than the ducks 该一般疑问句和否定句应该是一样的改法吧,应该不是用slower来改吧。。