It was used for actions that were happening at a specific time in the past. Subject Verb to be Verb+ing You They We were Wrting, Reading, Listening......etc I, He, She,It was Writing, Reading, Listening......etc Afirmative sentences Subject + auxiliary verb (to be) + verb+ing. Negative Sentences Subject + auxiliary verb (to be) + "not" + verb+ing. Interrogative Sentences Auxiliary verb (to be) + subject + verb+ing? Uses 1.It is used for an action in development in the past when another action interrupts it. 2.To talk about actions at a specific time in the past. 3.For two actions that were occurring at the same time in the past.
We use it for actions that occurred before another action in the past. Subject Auxiliar Verb Participe Past I, You, He, She, It, We, They Had Visited, Known, Read, etc.. Affirmative Sentences Sujeto + “had” + participio pasado Negative Sentences Sujeto + “had” + “not” + participio pasado Interrogative Sentences “Had” + sujeto + participio pasado…? Uses 1.To refer to an action or event that began in the past and that predates another action also in the past. 2.To refer to an action or event that began in the past and that predates another action also in the past.