Final answer:
The underlined phrases are a noun phrase and a noun clause. They function as the subject and object of the sentences respectively.
Step-by-step explanation:
In the sentence, 'High school seniors will love the theater,' the underlined phrase 'High school seniors' is a noun phrase. It functions as the subject of the sentence, describing who will love the theater.
In the sentence, 'I tend to eat foods with a lot of spice,' the underlined phrase 'foods with a lot of spice' is a noun phrase. It functions as the object of the verb 'eat', answering the question 'What do I eat?'
In the sentence, 'I am happy Priya accomplished so much,' the underlined clause 'Priya accomplished so much' is a noun clause. It functions as the object of the verb 'am happy', answering the question 'What am I happy about?'
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