`-` So sánh hơn với adv ngắn (thường là bất quy tắc):

S1 + V + adv-er + than + S2

`-` So sánh hơn với adv dài (đa số):

S1 + V + more + adv + than + S2

`-` So sánh ngang bằng: S1 + V + as + adv + as + S2

Ví dụ:

`-` I did better at the last exam than he did.

`->` He didn't do at the last exam as well as I did.

`-` She sings more beautiful than I do.

`->` I don't sing as beautifully as she does.

`-` John runs faster than Maria.

`->` Maria doesn't run as fast as John.

`-` She speaks English more fluently than last year.

`->` Last year she didn't speak English as fluently as she does now.

`-` She works harder than her classmates.

`->` Her classmates don't work as hard as she does.

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______________________

`1.`

`*` She runs faster than her brother`.`

`->` She does not run as slowly as her brother`.`

`2.`

`*` He drives more carefully than his friend`.`

`->` He does not drive as carelessly as his friend`.`

`3.`

`*` They finished the project more quickly than we did`.`

`->` They did not finish the project as slowly as we did`.`

`4.`

`*` The teacher explains the lesson more clearly than the textbook`.`

`->` The teacher does not explain the lesson as unclearly as the textbook`.`

`5.`

`*` She sings more beautifully than anyone else in the choir`.`

`->` She does not sing as poorly as anyone else in the choir`.`