生徒 せいと会長 かいちょう

seitokaichō

1. Not student council president.; Not the student council president.

1. Was student council president.

1. Student council president, being; As student council president

1. Student council president's; Of the student council president

1. I am not the student council president.; I'm not class president.

1. Not student council president.; I'm not student council president.

1. Was student council president.

1. Student council president.

1. I am not the student council president.; I'm not a student council president.

1. Was not student council president.; Wasn't class president.

1. Probably the student council president.

1. Was not student council president.; Was not class president.

1. Was not student council president.; Wasn't class president.

1. Probably the student council president.; Likely the student council president.

1. Was not student council president.; Was not class president.

1. If I were student council president; If the student council president were…

1. If/when student council president; If I were student council president

1. If/when student council president; As student council president