Summary: 1. 'Has' is the third person singular present tense of 'have' while 'had' is the third person singular past tense and past participle of 'have. ... Both are transitive verbs, but 'has' is used in sentences that talk about the present while 'had' is used in sentences that talk about the past.

What is the difference between has have and had?

Present Tense Uses of Have and Has. Both words are present tense forms of the verb to have. The past-tense form is had, and the present progressive tense (or continuous tense) is having.

When to use have has or had?