1). Укажите, в каком времени и залоге употреблен глагол - сказуемое:1. Не doesn039;t

1). Укажите, в каком медли и задатке употреблен глагол - сказуемое:
1. Не doesn't think the machine will be reliable.
2. I've got an appointment with Dr. Floyd at three o'clock in the afternoon, but I won't be able to keep it, I'm afraid.
3. I hope, you won't have any trouble with the new car.
In my opinion the talks were just a waste of time.
4. Various problems of industry and agriculture were discussed at the meeting.