Is the sequence of words watching that guy with a telescope a constituent in this sentence? Select one: a. It is a constituent. b. It may be a constituent, depending on what's meant by the sentence. c. It is not a constituent. Is the sequence of words has been watching a constituent in this sentence! Select one: a. It is a constituent. b. It may be a constituent, depending on what's meant by the sentence. c. It is not a constituent. Is the sequence of words she has been watching that guy a constituent in this sentence? Select one: a. It is a constituent. b. It may be a constituent, depending on what's meant by the sentence. c. It is not a constituent.