My dirty coffee cup is still sitting in the sink. do we need a comma or no ??

Leslie would probably have come with us if she didn’t work all summer. which is the verb phrase?

[he] let his gaze wander to the swirling water of the stream racing madly beneath his feet. a piece of dancing driftwood caught his attention and his eyes followed it down the current. how slowly it appeared to move! what a sluggish stream! what contrasting words are used to describe the stream in this passage?

Princess and i are driving to tulsa to ecxcept an award.