Question

had I known how to study I would have scored better.
begin - I would have scored better provided...​

Answer 1

The sentence can be written as shown below:

I would have scored better provided I knew how to study.

Explanation

This was a conditional clause sentence.  We use Conditional Clause structure to say that something might or will happen or would have happened  depending on another thing happening for example: If I study hard, I will secure high grades in the exams.