Tenses

Present Perfect
Positive:
Formula:	Sub. + Helping Verb + Verb (III form) + Obj.
Subject:	He, She, It
Helping Verb:	Has
Example:	He has played cricket. She has played cricket. It has rained.
Subject:	I, We, They, You
Helping Verb:	Have
Example:	I have played cricket. We have played cricket. They have played cricket. You have played cricket.

 

Negative:
Formula:	Sub. + Helping Verb + not + Verb (III form) + Obj.
Subject:	He, She, It
Helping Verb:	Has
Example:	He has not played cricket. She has not played cricket. It has not rained.
Subject:	I, We, They, You
Helping Verb:	Have
Example:	I have not played cricket. We have not played cricket. They have not played cricket. You have not played cricket.

 

Single Interrogative:
Formula:	Helping Verb + Sub. + Verb (III form) + Obj.
Subject:	He, She, It
Helping Verb:	Has
Example:	Has he played cricket? Has she played cricket? Has it rained?
Subject:	I, We, They, You
Helping Verb:	Have
Example:	Have we played cricket? Have they played cricket? Have you played cricket?

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Single Interrogative + Negative:
Formula:	Helping Verb + Sub. + not + Verb (III form) + Obj.
Subject:	He, She, It
Helping Verb:	Has
Example:	Has he not played cricket? Has she not played cricket? Has it not rained?
Subject:	I, We, They, You
Helping Verb:	Have
Example:	Have we not played cricket? Have they not played cricket? Have you not played cricket?

 

Double Interrogative:
Formula:	W’s + Helping Verb + Sub. + Verb (III form) + Obj.
Subject:	He, She, It
Helping Verb:	Has
Example:	Why has he played cricket? Why has she played cricket? Why has it rained?
Subject:	I, We, They, You
Helping Verb:	Have
Example:	Why have we played cricket? Why have they played cricket? Why have you played cricket?

 

Double Interrogative + Negative:
Formula:	W’s + Helping Verb + Sub. + not + Verb (III form) + Obj.
Subject:	He, She, It
Helping Verb:	Has
Example:	Why has he not played cricket? Why has she not played cricket? Why has it not rained?
Subject:	I, We, They, You
Helping Verb:	Have
Example:	Why have we not played cricket? Why have they not played cricket? Why have you not played cricket?

 

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