|+/ - / ?|
|am/ is / are + Ving|
Affirmative sentences: am/is/are + Ving
|I||am||Ving||I am working|
|We||are||Ving||We are working|
|You||are||Ving||You are working|
|They||are||Ving||They are working|
|He||is||Ving||He is working|
|She||is||Ving||She is working|
|It||is||Ving||It is working|
Negative sentences: am/is/are + not + Ving
|I||am||not||Ving||I am not working|
|We||are||not||Ving||We are not working|
|You||are||not||Ving||You are not working|
|They||are||not||Ving||They are not working|
|He||is||not||Ving||He is not working|
|She||is||not||Ving||She is not working|
|It||is||not||Ving||It is not working|
I am not = I'm not (not: I amn't !)
are not = aren't
is not = isn't
Interrogative sentences: ... am/is/are + S + Ving … ?
|Are||they||working||at the moment||?|
Yes, S + am / is / are.
No, S + isn't/aren't. (No, I'm not.)
Note: In short answers we use pronouns (I, we, you, they, he, she, it)
- Is Mary working this week?
- No, she isn't.
(Not: No, Mary isn't.)
V - verb (the infinitive without "to")
S - subject
QW - question word