I am doing (Present Continuous)

The laws of the present continuous:

1.    am/is/are + ing

2.    used to show that an action is going on at the time of speaking or writing or is planned for the future

·         I’m eating. ( or I’m not…)

·         Chris is sending an email.

·         Nicole isn’t eating. (or She’s not eating)

·         Your mobile phone is ringing.

·         We’re enjoying our ice-cream.

·         You’re not listening at all. (or You aren’t…)

·         The children aren’t studying.

Am/is/are + -ing = something is happening now.

Past --------------- NOW --------------- Future

1. Please be quiet. I’m studying. (=I’m studying now)
2. The weather is great at the moment. It’s not raining.
3. ‘Where are the children?’      ‘They’re having a nap.’
4. You can have the papers. I’m not reading it.

Note:

He/She/It       +      is      +      ing (eg. He’s sleeping)

We/You/They  +      are    +      ing (eg. They’re playing)

I                   +      am    +      ing (eg. I’m studying)

Spelling (Appendix 5) - Compiled from Essential Grammar in Use, Cambridge University Press