past tense


Is right to say: "I must had been having a brainstorm when I wrote that"

asked Nov 28 '13 at 08:53 Fuad Hirad New member

1 answer


The word that is followed a modal auxiliary should be an infinitive.

Therefore, have is correct.

link comment answered Dec 01 '13 at 13:29 Z. A. Jazley Expert

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