1, My doll is pretty but her doll is prettier than mine.
→ My doll isn't as pretty as her doll.
2, Travelling by train is quite exciting but travelling by plane is more exciting.
→ Travelling by train isn't as exciting as travelling by plane.
3, My salary is high, but my husband's is higher.
→ My salary isn't as high as my husband's.
4, I am disappointed about my team's score. Ann is disappointed too.
→ I am as disappointed as Ann about mu team's score.
5, It's warm today, but it was much warmer yesterday.
→ Today it isn't as warm as yesterday.
6, I still feel a bit tired, but I am better than yesterday.
→ I don't feel as tired as yesterday.
7, Tom's essay is very good and mine is good too.
→ Tom's essay is as good as mine.
8, The Smiths have lived here for quite a long time, but we've lived here longer.
→ The Smiths haven't lived here as long as we've.