The mountain that we climbed last summer was (high) that I've ever been on.
the highest
(same) I think that learning Spanish is (difficult) learning French.
as difficult as
(higher) The movie that we watched yesterday was (bad) I expected.
worse than
(higher) I think that skiing is (exciting) snowboarding.
more exciting than
(higher) My apartment is (small) yours, but it's also (cheap).
smaller than, cheaper
This is (expensive) meal that I've ever had.
the most expensive
(lower) The coffee that I had this morning was not (good) the one that I had yesterday.
as good as / so good as
This is (delicious) cake that I've ever tasted.
the most delicious
She is (young) person in our office.
the youngest
(lower) Swimming in the ocean is not (safe) swimming in a pool.
as safe as / so safe as
(same) I think that chocolate ice cream is (good) vanilla.
as good as
(higher) This dress is (expensive) the one that I bought last month.
more expensive than
The hotel which we stayed at was (comfortable) place that I've ever been.
the most comfortable
(lower) This phone is (expensive) the one that I wanted to buy.
less expensive than