No, I am not. (No, I'm not)
We have to add the ending "ING" to the main verb, like this: (eat) eating, (read) reading, (swim) swimming, (erase) erasing...
We need "TO BE" verb:
You, They, We: are
He, She, It: is
I: am
Present continuous tense is used to express actions that are happening at the moment to speak, RIGHT NOW.
PRESENT CONTINUOUS TENSE
CLOSE ANSWERS
NEGATIVE
No, (subject) + (to be) + not
AFFRIMATIVE
Yes, (subject) + (to be)
Yes, I am.
CLOSE QUESTIONS
TO BE + SUBJECT + MAIN VERB (ING) + COMPLEMENT +?
Are you playing soccer?
Is he reading a book?
Are they sleeping in the sofa?
NEGATIVE SENTNCES
SUBJECT + TO BE + NEGATION (NOT) + MAIN VERB (ING) + COMPLEMENT
AFFIRMATIVE SENTENCES
SUBJECT + TO BE + MAIN VERB (ING) + COMPLEMENT
I am playing soccer
He is reading a book
Thay are sleeping in the sofa