English Grammar- Tense Usage....

 Schools days stuff..... 

                                                             Present Tense

Voice	Simple Present Tense	Simple Present Continuous Tense	Present Perfect Tense	Present Perfect Continuous Tense
Active form	Subject singular (I or You) Verb + 's' or 'es' plural verb only	Is/am/are  + 'ing' form	Has/have + past participle	Has/have been + 'ing' form
Active eg:-	He writes a letter	He is writing a letter	He has written a letter	He has been writing a letter
Passive form	Is/am/are + past participle	is/am/are being + past participle	has/have been + past participle	Nil
Passive eg:-	A letter is written by him.	A letter is being written by him.	A letter has been written by him	Nil
Active eg:-	They dig well.	They are digging a well.	They have dug a well.	They have been digging  a well.
Passive eg:-	A well is dug by them.	A well is being dug by them.	A well has been dug by them.	Nil
Active eg:-	I drive cars.	I am driving cars.	I have driven cars.	I have been driving cars.
Passive eg:-	The cars are driven by me.	The cars are being driven by me.	The cars have been driven by me.	Nil

  

                                                                      Past Tense

Voice	Simple Past Tense	Simple Past Continuous Tense	Past Perfect Tense	Past Perfect Continuous Tense
Active form	Past tense of the verb.	was/were  + 'ing' form	had + past participle	had been + 'ing' form
Active eg:-	He wrote a letter	He was writing a letter	He had written a letter	He had been writing a letter
Passive form	Was/were + past participle	Was/were being + past participle	had been + past participle	Nil
Passive eg:-	A letter was written by him.	A letter was being written by him.	A letter had been written by him	Nil
Active eg:-	They dig well.	They were digging a well.	They had dug a well.	They had been digging  a well.
Passive eg:-	A well was dug by them.	A well was being dug by them.	A well had been dug by them.	Nil
Active eg:-	I drove cars.	I was driving cars.	I had driven cars.	I had been driving cars.
Passive eg:-	The cars were driven by me.	The cars were being driven by me.	The cars had been driven by me.	Nil

                                                             Future Tense

Voice	Simple Future Tense	Simple Future Continuous Tense	Future Perfect Tense	Future Perfect Continuous Tense
Active form	Shall/will + present tense of the verb.	Shall be/will be + 'ing' form	Shall have/will  have + past participle	Shall have been /will  have been + 'ing' form
Active eg:-	He will write a letter	He will be writing a letter	He will have  written a letter	He will have  been writing a letter
Passive form	Shall be/will be + past participle	Shall be being/will be being + past participle	Shall/will have been + past participle	Nil
Passive eg:-	A letter will be written by him.	A letter will be  being written by him.	A letter will have been written by him	Nil
Active eg:-	They will dig a well.	They will be digging a well.	They will have dug a well.	They will have been digging  a well.
Passive eg:-	A well will be dug by them.	A well being dug by them.	A well shall have been dug by them.	Nil
Active eg:-	I shall drive cars.	I shall be driving cars.	I shall have driven cars.	I shall have been driving cars.
Passive eg:-	The cars will be  driven by me.	The cars will  being driven by me.	The cars will have been driven by me.	Nil