We ... (like) Computer Studies. (?)
We like Computer Studies. Do you/we like Computer Studies?
She ... (play) the guitar. (?)
She plays the guitar. Does she play the guitar?
My mum ... (sing) in the shower. (?)
My mum sings in the shower. Does mym mum sing in the shower?
Mark ... (do) karate on Fridays. (-)
Mark does karate on Fridays. Mark doesn't do karate on Fridays.
Mark ... (have) an email address. (-)
Mark has an email address. Mark doesn't have an email address.
We ... (watch) TV at the weekend. (-)
We watch TV at the weekend. We don't watch TV at the weekend.
Betty ... (have) a big dog. (?)
Betty has a big dog. Does Betty have a big dog?