Can I integrate 3 module responses into a single google sheet

2 - I created more modules, can I integrate 3-module responses into a single google sheet?

If by "modules" you meant "forms", currently it is not possible to integrate multiple forms into a single google sheet.

Guide : How to Integrate Forms with Google Sheets

You can only use single form to google sheet integration everytime.

I hope this help. Let us know if you need further assistance.