Yes, the verb 'visit' is the present tense.
"Visit" is present tense.
Both visit and visits are present tense.I visitWe visitYou visitHe/She/It visitsThey visit
The present perfect of visit is have/has visited.
'Had visited' is past tense. You can see this because visit is the present tense so visited must be past tense. Also, the word 'had' is often used in the past tense.
'is' is a present tense
The verb is is the present tense.
Present perfect tense.
The present perfect of 'come' is have come / has come.Ex: They have come to visit. She has come to see you in your new apartment.
"you do" is present tense. The past tense is "you did" and the future tense is "you will do".
The present tense of "will be" is "am/is/are." For example, "I am," "he is," "they are."
The past tense of did is did. The present tense of did is do. The future tense of did is will do.
has is present tense, had is past tense