1.He is better at Math than his brother(as)
->His brother doesn't as good at Math as him.
2.This is the largest kite I've ever seen(larger)
->I've never seen a larger kite than this.
3.I am faster worker than Tom is
->I work faster than Tom does.
4.People in the countryside live in a simple way, but people in a city don't
->People in the countryside live more simply than the people in a city.
5.I went to the party at 7.00 p.m,and she went to the party at 6.30 p.m
->She wwnt to the party earlier tha me.