1.My brother/can/play/guitar/so/I.
⇒ My brother can play the guitar and so do I
2.I/have/pork/rice/vegetables/for dinner/yesterday.
=> I had pork, rice, vegetables for a dinner yesterday
3.She/is not/teacher/my mother/either.
⇒ She isn't a teacher and my mother isn't either
4. what/you/buy/in/market/yesterday?
=> What did you buy in the market yesterday?