Question

ram writes letter tesno tens ke 4 parkar mai btao aap​

Answer 1

For present tense-: 1)CONTINUOUS TENSE: Ram is writing a letter
2)PERFECT TENSE: Ram has written a letter.
3)PERFECT CONTINUOUS TENSE: Ram has been writing a letter.

For past tense-: 1) CONTINUOUS TENSE: Ram was writing a letter.
2)PERFECT TENSE: Ram had written a letter.
3)PERFECT CONTINUOUS TENSE: Ram had been writing a letter.

For future tense-: 1)CONTINUOUS TENSE: Ram will be writing a letter.
2)PERFCT TENSE: Ram will have been writing a letter.
3)PERFECT CONTINUOUS TENSE: Ram will have been writing a letter.

There you go.