Multiple choice

Which is correct?

  1. I shouldn't do it, but I have to.

  2. I shouldn't to do it, but I have.

  3. I shouldn't to do it, but I have to.

  4. I should do it, but I have to.

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Option A is grammatically correct. The other options incorrectly include 'to' after the modal 'shouldn't'.