Поставьте глагол в скобках в нужной видовременной форме this interesting book ( to know ) by me. it is raining and football ( not to play ). it’s a very good class. it ( to teach ) by mr.smith. i ( to introduce ) to him last week, but i ( not to recognize ) him now.

This interesting book (is known ) by me.
It is raining and football (is not being played ).
It’s a very good class. It (is taught ) by Mr.Smith.
I ( was introduced ) to him last week, but I (do not recognize ) him now.