Assertive/ Positive Sentences Rule- Subject + Is/am/are + Verb( First Form)+ Object
Examples
I am going to play.
He is going to play.
We are going to play.
They are going to play.
Negative Sentences Rule- Subject + is/am/are + not + Verb(first form)+ ing+ Object
Examples
I am not watching the movie.
She is not watching the movie.
They are not watching the movie.
You are not watching the movie.
Interrogative Sentences Rule- Is/am/are+ Subject+ Verb(first form) + ing+ object
Examples
Am I going to India?
Is she going to India?
Are they going to India?
Is John going to India?
Present Perfect Tense It is used to convey the activity, which is just/recently, completed.The Present Perfect Tense is employed in repeated activities, actions where time is irrelevant, and actions that started in the past but are not yet completed and will most likely conclude in the present as we speak. The present perfect tense can be used in situations such as; for activities or events that began in the past and have continued into the present; to express a completed activity; and to denote a period that has not yet ended.
Positive Sentences Rule- Subject+ has/have+ verb(third form) + Object
Examples
She has done the homework.
I have done the homework.
They have done the homework.
John has done the homework.
Negative Sentences Rule- Sub + Has/have not a Verb(third form) +object
Examples
She has not done the homework
.They have not done the homework.
I have not done the homework.
Sheila has not done the homework.
Interrogative Sentences Rule – Has/have+ subject+ verb(third form)+ object
Examples:Has he done the homework?
Have they done the homework?
Have I done the homework?
Have the students done the homework?
