I think it is called sentence subject. Sorry if I am wrong.
"Have you dined at an Indian restaurant?" is the sentence in which the verb is in the present perfect tense.
- The present perfect is a grammatical mixture of the present tense and the perfect aspect used to express a past event with current consequences. The term is most commonly used in the context of English grammar to relate to forms such as "I have finished."
- Exemplifications of the Present Perfect Tense - We have been teachers for two years. He's been a teacher for two years. She's been a teacher for two years. They've been teachers for two years.
- The present perfect is frequently used to describe an action that began in the past and is still ongoing. The words for and since are typically used with the present perfect in this context.
Thus this is the meaning of present perfect tense.
To learn more Present Perfect tense, refer: brainly.com/question/704855
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To show it survived, it is the nations resilience, not its rigidity that reassert today
D The xylophone is a percussion instrument whose name comes from the Greek xylon, meaning "wood."
The correct answer is option four.
