An auxiliary verb helps the main (full) verb and is also called a "helping verb." With auxiliary verbs, you can write sentences in different tenses, moods, or voices. Auxiliary verbs are: be, do, have, will, shall, would, should, can, could, may, might, must, ought, etc.
1. "Be" as an auxiliary verb a.Used in progressive sentences:
a. Used in negative sentences:
a. Used in perfect sentences:
[Quiz 19.1] Identify all auxiliary verbs in the following paragraph. I have just heard that you didn’t attend the meeting yesterday. Did you have a conflict with that time? I must ask that you explain the reason. [Quiz 19.2] Which of the following sentences does not show any auxiliary verbs? 1)I didn’t have any reason to go there. 2)Have we practiced this song enough? 3)Three seats have been reserved for us. 4)I am a professor in the economics department. Показать ответы [19.1] I have just heard that you didn’t attend the meeting yesterday. Did you have a conflict with that time? I must ask that you explain the reason. [19.2] Sentence 4 (the verb am is used as the main verb)
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