Have you bought the tickets for the game yet?
No, I haven't bought the tickets for the game yet.
Has Mel left yet?
No, Mel hasn't left yet.
Has the meeting begun yet?
No, the meeting hasn't begun yet.
Have you finished your homework yet?
No, I haven't finished my homework yet.
Have you ridden in Pam’s new car yet?
No, I haven't ridden in Pam's new car yet.
Has George found a job yet?
No, George hasn't found a job yet.
Has the boat sailed yet?
No, the boat hasn't sailed yet.
Have you paid that bill yet?
No, I haven't paid the bill yet.
Has the mail arrived yet?
No, the mail hasn't arrived yet.
Has Mr. Dole returned from lunch yet?
No, Mr. Dole hasn't returned from lunch yet.