• So sánh hơn                                                  So sánh nhất
  My house is larger than hers.       ->     My house is the largest one in our neighborhood
• My dog runs faster than your dog. ->  My dog runs the fastest of any dog in the race.
• Nam is taller than me                      ->   Nam is the tallest student in my class

1.This house is more expensive than that one (so sánh hơn )

=>This is the most expensive house in the city(so sánh hơn nhất)

2.Nam is taller than me (so sánh hơn )

=>Nam is the tallest student in my class (so sánh hơn nhất)

3.This problem is more dificult than that one (so sánh hơn )

=> This is the most difficult problem in the book (so sánh hơn nhất)

Chúc bạn học tốt