Creating a Basic structure:
1. First of all you need to declare that you are going to code a html. So, at first declare your coding using html tag. And also use doctype html to declare html 5.<!DOCTYPE html
<html>
</html>
2. Then add a mandatory head tag to your code.
<html>
<head>
</head>
</html>
3. Last of all add body tag after it.
<!DOCTYPE html>
<html>
<head>
</head>
<body>
</body>
</html>
That's it your coding script is ready to use.
It is a basic formula for your code.