nancy doesn't swim as fast as su yang.的同意句swim
问题描述：
nancy doesn't swim as fast as su yang.的同意句
swim
答
swim没有比较级，fast才有。
要改成有比较级的话可以改成这样：
Suyang swims faster than nancy does.
答
swim是动词 没比较级的 要改比较级的是swim
nancy swims less fast than su yang
nancy doesn't swim so fast as suyang