Crouching is the simple predicate and two is a simple subject in the sentence"The two dogs were crouching unhappily at our feet."
The primary verb or verbal phrase in a sentence that describes the action of the subject is known as the simple predicate. Only the primary verb or verb phrase makes up a simple predicate. The sentence doesn't contain any modifiers. A modifier might occasionally "interrupt" or "enter in between" a verb phrase. In this instance, the basic predicate does not include the modifier. The verb or verb phrase alone, without any modifiers, makes up the simple predicate.
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