Lately, tacos have become my favorite food. ?would have become my favorite food be the predicate?

The complete predicate is:

lately have become my favorite food

Lately is an adverb telling when and modifying the verb.

Yes, "have become my favorite food" would be the predicate in the sentence.

To identify the predicate in a sentence, you can start by identifying the subject, which is the main noun or pronoun that the sentence is about. In this case, the subject is "tacos."

Next, you can look for the verb, which is the main action or state of being in the sentence. Here, the verb is "have become."

The predicate is everything in the sentence that follows the subject. Therefore, "have become my favorite food" serves as the predicate because it includes the verb and provides additional information about the subject.