English verbs

We use a form of to be (am, are or is), the infinitive of the verb and the ending –ing.
To be (am, are, is) + infinitive + -ing

Affirmative sentences:
I am playing volleyball.
He/she/it isplaying volleyball.
We/you/they are playing volleyball.
NOTE: Use am with I - is with he, she, it - and with all other pronouns are.
We often use short forms in affirmative sentences in the PresentProgressive.

Negative sentences:
I am not playing volleyball.
He/she/it is not playing volleyball.
We/you/they are not playing volleyball.
NOTE: We often use short forms in negative sentencesin the Present Progressive.

Questions:
In the Present Progressive we put the auxiliary (am, are or is) before the subject
(Auxiliary - Subject - Verb - Rest).
Am I playing volleyball?
Ishe/she/it playing volleyball?
Are we/you/they playing volleyball?
Forming a negative
Negatives in the simple present are formed by adding not or n't after the verb BE:
Positive sentence
Negativesentence
Contracted negative
I am eating.
I am not eating.
I'm not eating.
You are working.
You are not working.
You aren't working.
He is driving.
He is not driving.
He isn't driving.
She isteaching.
She is not teaching.
She isn't teaching.
It is raining.
It is not raining.
It isn't raining.
We are reading.
We are not reading.
We aren't reading.
They are writing.
They are notwriting.
They aren't writing.

Forming a question
Yes/no questions are created by moving the verb BE to the beginning of the sentence. WH-questions are formed by moving the verb BE, and then addingthe WH- word. Here are the rules:
Statement
Yes/no question
Wh- question
I am eating.
Am I eating?
What am I eating?
You are crying.
Are you crying?
Why are you crying?
He is going.
Is hegoing?
Where is he going?
She is arriving.
Is she arriving?
When is she arriving?
It is sleeping.
Is it sleeping?
Why is it sleeping?
We are leaving.
Are we leaving?
When are we leaving?...