Chapter 3 : Present Continuous Tense

Present Continuous  Active & Passive Voice

Active Voice  S + V to be (is, am, are) + V1 ing He is writing a letter to his friend.  Passive Voice S + V to be (is, am, are) + being + V3 A letter is being written (by him).

Present Continuous Negative Form  Active & Passive Voice

Active Voice  S + V to be (is, am, are) + not + V1 ing He isn't writing a letter to his friend.  Passive Voice S + V to be (is, am, are) + not + being + V3 A letter isn't being written (by him).

Present Continuous Question Form  Active & Passive Voice

Active Voice  V to be (is, am, are) + S + V1 ing Is he writing a letter to his friend.  Passive Voice V to be (is, am, are) + S +  being + V3 Is a letter being written (by him).

Present Continuous Usage
Present Continuous used to express that something is happening now, at this very moment, will or will not happen in the near future.

Happening now:
I'm just putting the kettle on.
They're watching TV.

Planned future arrangements:
Helen's studying later tonight.
I'm playing football with my friends on Saturday.

Keyword to identify Present Continuous Tense:

English	ไทย
now/right now	ตอนนี้
at present	ขณะนี้
at the/these moment	ขณะนี้
at these very moment (emphasis)	ขณะนี้
any longer	จากนี้ไป
still	ยังคง
still now	ยังคง.....ณ ตอนนี้
even now	ถึงแม้ตอนนี้
any more	ไม่แล้ว

Present Continuous in the videos:

Here are the video that teaches present continuous tense Here are the cartoon version of present continuous tense