ПОМОГИТЕ С 19 ЗАДАНИЕМ В СООТВЕТСТВИИ С ТАБЛИЦЕЙ ПОЖАЛУЙСТА СРОЧНО

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1There aren't many students at our faculty. Are there many students at our faculty?2 There wasn't a correspondence department at out institute. Was there a correspondence department at our university?
3There won't be many exams this year. Will there be many exms this year?
4 there weren't graduates of our faculty at the conference. Were there graduates of our faculty at the conference?