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The past tense and past participle of the verb “rise” in this context are, respectively
The poster presents a sentence in the interrogative form and in the simple past tense.

According to the rules of standard grammar, to rephrase this question in the simple present, the teacher should choose 
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A typical situation during a class is when a student asks to leave the room.

In this case, when granting permission, the teacher’s reply should be

Read the excerpt below.



"However, this also places new demands on operators — they must learn to manage energy efficiently, closely monitor power consumption, and plan vessel speed in a more rational manner."



In the excerpt, the modal verb "must" expresses:

The underlined verbs in the song ("knew," "were born," "belong,"and"have been") appear in different verb tenses. Consi dering their forms and functions, which of the following statements about these verbs are correct?