We used to have our rooms (clean), but now we clean them ourselves. (Correct the verb)
Our great-grandfathers used to (work) in the pearl industry. (Correct the verb)
We must help the needy; our mothers (use to) do so in the past and have taught us that as well. (Correct the verb)
I will have my laptop (fix) next Friday before I take it to school. (Correct the verb)
You should have your notebooks (complete) and checked by the teacher before you start studying. (Correct the verb)
This lady had her own show and used to (give) good pieces of advice on TV. (Correct the verb)
John will repair his car tomorrow. (Change into causative)
The mechanic checked the lights and brakes of my car. (Change into causative)
She used to make dress patterns when she was younger. (Form a question)
He used to play the violin very well. (Make Negative)