She is (smart) her sister.
smarter than, as smart as
This restaurant is not (good) the one we went to last week.
as good as
My car is (old) yours.
older than
This dress is (expensive) the one I bought last month.
more expensive than
The exam was (easy) I expected.
easier than
This computer is (fast) my old one.
faster than
This phone is not (expensive) the one I wanted to buy.
as expensive as
Swimming in the ocean is not (safe) swimming in a pool.
as safe as
The movie we watched yesterday was (bad) I expected.
worse than
He speaks English (good) anyone else in our class.
better than
My dog is (big) yours.
bigger than
I think skiing is (exciting) snowboarding.
more exciting than
The coffee I had this morning was not (good) the one I had yesterday.
as good as
Swimming is not (difficult) I thought it would be.
as difficult as
My apartment is (small) yours, but it's also (cheap).
smaller than, cheaper
My car is not (relilable) it used to be.
as reliable as
He runs (fast) anyone else on the team.
faster than
I think learning Spanish is (difficult) learning French.
as difficult as, more difficult than
I think chocolate ice cream is (good) vanilla.
better than
The city center is (busy) the outskirts.
busier than