Génesis: Are you ready for tomorrow's exam?
Doménica: Not really, I've been studying from time to time, but I still feel unprepared.

Génesis: Me too, I did't time myself because of my job.
Doménica: What about join us together and start study session before the exam?

Génesis: Is a good idea, let's go one at the time with the difficults we are having.
Doménica: We should time ourselves while doing some flashcards of phrasal verbs.

Génesis: We have this material on time, don't we?
Doménica: Don't worry, we'll be ready in no time.

Génesis: Okay, but the exam could start any time now. We sould hurry.
Doménica: So, let's study now.

Génesis: We can go over the flashcards one at a time.
Doménica: We have been studying for some time, now it's time to use it and go to the exam. 

Génesis: I wish you luck in your exam.
Doménica: I'll concentrate and remember one question at the time, don't panic.

After the exam:

Génesis: I finished the exam just in time. I wish good results.
Doménica: Now we can relax and for some time before the other exam.