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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.