1. I am studying at the moment
2. I am not sleeping
3. You are playing badminton tonight
4. We are watching TV
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+) S + am/is/are + V_ing + (O)
-) S + am/is/are + not + V_ing + (O)
?) Am/Is/Are + S + V_ing + (O)?
`->` Yes, S + am/is/are
`->` No, S + am/is/are + not
Wh.qu) Wh.qu + am/is/are + S + V_ing + (O)?
`->` S + am/is/are + V_ing + (O)
`@` Am: I
`@`: Is: he, she, it
`@`: Are: they, you, we