My brother and I lie down to see how many of us could fit inside a blue whale. Underline the predicate

predicate means the verb = lie down

Sra

The simple predicate is the verb: lie.

The complete predicate is:
lie down to see how many of us could fit inside a blue whale.

To identify the predicate in the given sentence, we need to locate the verb, as the predicate includes the verb and provides information about the subject. In this sentence, the verb is "lie down." Therefore, the predicate in the sentence is "lie down."