Question

It doesn't matter if
attened the class regularly change into assertive

Answer 1

It does matter if I attend the class regularly.

Explanation:

• An assertive sentence can be described as a sentence which declares something.
• An assertive sentence can be affirmative or negative.
• The above sentence  It does matter if I attend the class regularly is declarative and also has a negative meaning.
• It is hence an assertive sentence.
• An assertive sentence can declare a state or a fact also.