posted by Isaac .
What is the predicate in this sentence?
The wiskers on my kitten twitch when I rub its back.
The predicate starts with the verb.
What do you think the predicate is?
twitch and rub its back, there are two predicates but question asks for one
The predicate of the sentence is:
twitch when I rub its back
The adverb clause, "when I rub its back" is part of the predicate of this sentence.