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The past perfect progressive or past perfect continuous (also known as the pluperfect progressive or pluperfect continuous) combines perfect progressive aspect with past tense. It is formed by combining had (the past tense of auxiliary have), been (the past participle of be), and the present participle of the main verb.
Unlike the present perfect, the past perfect can readily be used with an adverb specifying a past time frame for the occurrence. For example, it is incorrect to say * I have done it last Friday (the use of last Friday , specifying the past time, would entail the use of the simple past , I did it , rather than the present perfect).
The past perfect progressive (sometimes referred to as the past perfect continuous) combines had (the simple past of have) with been (the past participle of be) and the present participle of the main verb: You had been waiting. It is used to refer to an ongoing action that continued up to the past time of reference.
Regular verbs form the simple past end-ed; however there are a few hundred irregular verbs with different forms. [2] The spelling rules for forming the past simple of regular verbs are as follows: verbs ending in -e add only –d to the end (e.g. live – lived, not *liveed), verbs ending in -y change to -ied (e.g. study – studied) and verbs ending in a group of a consonant + a vowel + a ...
English Irregular Verb List A comprehensive list of English irregular verbs, including their base form, past simple, past participle, 3rd person singular, and the present participle / gerund. Database of all irregular verbs with complete conjugation and audio.
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A winter storm is expected to begin impacting the Central Plains by Saturday night, with heavy snow and significant icing potential spreading eastward to the Mid-Atlantic by early next week.
The implications of the present perfect (that something occurred prior to the present moment) are similar to those of the simple past. The simple past is generally used when the occurrence has a specific past time frame – either explicitly stated (I wrote a book in 1995; the water boiled a minute ago), or implied by the context (for example ...