Rule: Adjectives describe you or something. They tell how something is. Adverbs show how you do things, how things move, work, live, etc.
Compare these sentences:
The woman is beautiful. The old man sings beautifully.
That boy walks very slowly. The nice teacher has a slow brain.
How you make adverbs out of adjectives:
Soft - softly; strong - strongly; mad - madly; comfortable - comfortably.
Happy - happily; lucky - luckily; merry - merrily; naughty - naughtily.
Good - well; fast - fast; hard - hard (What's hardly?).
Sentences for practice:
1. Varf�r �r du s� lycklig?
2. De levde lyckligt i alla sina dar. (...ever after)
3. Sitter du bekv�mt?
4. Den h�r stolen �r mycket bekv�m.
5. En bra tennisspelare kan sl� till bollen b�de h�rt och mjukt .
6. Bra gjort!
7. Han k�r v�ldigt fort.
8. Madonna har en vacker r�st och en snabb bil.
9. Hon sjunger sjunger vackert och k�r knappast n�gonsin l�ngsamt.
10. Bengan har ett bra lag som han coachar bra.