"You enclose"
* This is present tense, suggesting an action happening now. Example: "Please ensure you enclose a copy of your ID with the application."
"You have enclosed"
* This is present perfect tense, indicating an action that was completed in the past and has a present relevance. Example: "Thank you for the documents you have enclosed."
"You enclosed"
* This is past tense, indicating an action that occurred in the past. Example: "You enclosed the wrong document."
"Have you enclosed..."
* This is a question in the present perfect tense, inquiring if something was enclosed. Example: "Have you enclosed a self-addressed envelope?"
To summarize:
* Use "you enclose" for present actions.
* Use "you have enclosed" for completed actions with present relevance.
* Use "you enclosed" for actions completed in the past.
* Use "have you enclosed..." to ask about an action in the past.