using "do".....

[ramaraj]

A : will you come to my home?
B : I do come .


please tell me the use of do before verb1,is there past form of this sentences

[bhaisahab]

A : Will you come to my home?
B : I do come . This is not a correct response. "I will" or "I am coming" are possible responses.


Please tell me the use of do before verb1, is there a past form of these sentences?

A "Did you come to my home."
B "Yes, I did." Are possible past tense forms.