Common Mistakes in English - Have vs. Of in Conditional Forms

When we speak, we often reduce the verb 'have' to sound like 'of'. This leads to a common mistake in written English when 'of' is used in place of 'have'. Learn the difference between the usage of these two forms.

Have vs. Of in Conditional Forms

Of is used instead of have in conditional forms due to pronunciation (e.g. I would of visited New York if I had had the time.). "Of" is a preposition whereas "have" is an auxiliary verb used in conditional forms.


He might have left early on vacation.
She would have attended if you had asked her to come.