1.Her book is not the same as mine.
==> Her book is different from mine.
2.My house isn't as large as your house.
==> Your house is bigger than my house.
3.Mrs.Nga teaches English, Mrs Huong teaches English, too
==> Mrs Huong teaches the same subject Mrs.Nga.
4.Khanh is a better painter than Giang.
==> Giang can't draw as well as Khanh.