Did Not Had Grammatically Correct?

3 Answers. "I didn't have breakfast" is correct. After the auxiliary verb DO, we use the bare infinitive of the full verb, not a tensed form. "I didn't had breakfast" is wrong.

Did not have or had not had?

"I did not have the intention" (simple past) refers to a specific time in the past. "I had not had the intention" (past perfect) refers to a time in the past before some other past time that has been referenced. * For example: "Until last Monday, I had not had the intention..."

Did had or did have?

“Did” is the past simple tense of the verb “do” while “had” is the past participle tense of the verb “have.” ... Both are past tense forms of irregular verbs; “did” of the verb “do” and “had” of the verb “have.”