The present progressive (-Iyor) tense (I am writing, I’m not going, etc.)

How to say, “I am writing” Affirmative Statements in the Present Progressive (-Iyor) tense
How to say “I am not writing” Negative Statements in the Present Progressive (-Iyor) tense
How to ask “Are you coming?” Yes/No affirmative questions in the present progressive tense
How to ask “Aren’t you coming?” Yes/No Negative Questions in the Present Progressive (-Iyor) tense