Hi Jenni; Welcome to the Forums! "Maybe we can cut grass" is an independent clause. Yes, indeed.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.
jenni1986"Maybe we can cut grass" is an independent clause.Traditionally, yes. In modern grammar, however, while we wait for him to come is a preposition phrase headed by the prep while, whose complement is the finite sub
"while" is a subordinating conjunction.
& "we wait for him to come" is a dependent clause.
jenni1986I feel that it is active voiceYes.
jenni1986and the verb "have been" is acting as the copula (main verb)Have been is not one verb. The auxiliary verb have marks perfect tense, taking the linking verb been (which you can call the main verb) as its complement.
jenni1986So "been" is the main verb in this sentence?No, my brain shut down. See enoon's reply.