Change the affirmative sentences into negative sentences and fill in the blanks. Use the contracted forms e.g. can't, don't, doesn't etc.
Notice: sometimes both the auxiliary and the main verb are missing from the sentence, but sometimes you should fill in the blanks with only the auxiliary verb.
Example: I listen to my dad.
I don't listen to my dad.
NOT: I do not listen to my dad.
1. I can play the guitar.
I the drums.
2. Geri and Melanie work very hard.
Geri and Melanie work very hard.
3. Stefania and Bente know my phone number.
Stefania and Bente my phone number.
4. I read the newspaper every day.
I the newspaper every day.