Răspuns:
1 After this class, my classmates and i are going to have lunch.
2 At the weekend, I am going to my friend's house.
3. Next summer,my family and i will go on vacation.
4.When i go to university,I think i'll have to put more focus on learning.
5. I'm sure i will get a job before i get married or have children.
(At the weekend nu este corect gramatical, poti folosi In the weekend,Next Weekend,The following weekend.)