Difference between bad and badly

[crystal shi]

Test No. errors/elem-17 "My Thoughts", question 2

My boss watches me very closely and always lets me know how I am doing my job and always tells me if I am doing bad.

(a) watches
(b) doing
(c) bad

Test No. errors/elem-17 "My Thoughts", answer 2

My boss watches me very closely and always lets me know how I am doing my job and always tells me if I am doing badly.

Correct entry: badly
The error was: (c) bad
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I don't think there is anything wrong.Can you help me?

[Alan]

In this sentence you have a verb I am doing and if you want to describe or qualify that verb, you have to use an adverb.

Bad is the adjective and badly is the adverb as in:

He did a bad (adjective) piece of work.

He worked badly (adverb).
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[evren]

Can you give more examples

[Guest]

[quot"evren"]Can you give more examples [/quote]
hi,
here goes some more exm;
I am bad .
i am doing badly.
she has a bad mouth.
she is speaking badly.