Ensuring the power supply reaching a centrifuge is perfectly balanced is vital.
Is "is vital" a verb phrase in the sentence above?
anonymous Is "is vital" a verb phrase in the sentence above? No. It is a copulative verb and its predicate adjective.
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anonymousIs "is vital" a verb phrase in the sentence above?
No. It is a copulative verb and its predicate adjective.
anonymousIs "is vital" a verb phrase in the sentence above?
The verb phrase is just "is".
However, I have heard structures like "is vital" described as an "extended verb phrase", in other words, the predicate of the sentence.
CJ