viết lại câu 

1 Toady the sun shines more brightly than yesterday

yesterday....

2 Jim behaves more politely than his brother

Jim's brother ..

3 Teenagers act more violently those day than in the past

Teenagers ..

4 Nam is wealthier than Ba

Ba..

 5 Is Jane worse at Math than John ?

Is John..

1. Yesterday, the sun shone less brightly than it does today.

2. Jim's brother behaves less politely than Jim.

3. Teenagers acted less violently in the past than they do these days.

4. Ba is less wealthy than Nam.

5. Is John better at Math than Jane?

`1`.Yesterday, the sun shone more darkly than today.

`2`.Jim's brother behaves more rudelythan Jim.

`3`.Teenagers in the past acted more peacefully than they do these days.

`4`.Ba is pooer than Nam.

`5`.Is John better at Math than Jane?

`-`So sánh kém:S + tobe/V + Less + Adj/adj+ than + N

`-`So sánh hơn: S + be/V + adj/adv(ngắn)+ er + than + N

                           S + be/V +more+ adj/adv(dài)+ than + N