Complex sentence: As well as helping listeners to distinguish one word from another, tones also play an important grammatical role in Chichewa, distinguishing one tense from another and differentiating verbs in dependent clauses from those in main clauses.
Split into simpler sentences: As well as helping listeners to distinguish one word from another, tones also play an important grammatical role in the Chichewa verb. Tones can also differentiate verbs in dependent clauses from those in main clauses.