Написать предложения во множественном числе: 1.i never saw that young woman. is she a student of our college? 2. put this chair near the blackboard. 3.i think that this subject is very important for us. 4.do you know that man? who is he? 5.will this professor deliver lectures on mathematics?

We never saw that they are young women. are they students of our college?
put these chairs near the bl
we think that these subjects very im for us
does you know thwse men? who are they?
will these professors deliver lec on math