Помогите срочно! Геометрия
В треугольнике длины двух сторон равны 3 и 7, а длина третьей стороны является целым числом. Найдите наибольшее возможное значение периметра этого треугольника.

Какие в этих предложениях правила времени ( Present Simple и тд)

1. One of the most exciting events in Berlin’s Carnival of Cultures is its colourful, four-day street parade.

2. Peter and Bob enjoy playing football at their local place every Saturday. 

3. That's the school whose parade float won first prize last year.

4. If you’re looking for a dog, why don’t you get one from the animal shelter?

5. Tom is really afraid of dogs, and every time he sees one he just freezes.

6. I can’t come to the cinema tonight; I am going to a fancy dress party with my brother later

7. You’ve managed to make your little sister cry! Are you happy with yourself now?

8. Since there is zero gravity in space, astronauts have to strap everything down so it doesn’t float away

9. They managed to catch a look of the dolphin before it disappeared back into the water.

10. Sam still has some difficulty in paiting portraits, but he’ll improve with practice

11. Jane forgot inviting Stephen to the party, so she sent him another invitation.

12. We’d better book tickets to the show now, in case the concert sells out

13. Though the film has a(n) all-star cast, it hasn’t received very good reviews

14. Sally is the shyer person I’ve ever met; she hardly talks to anyone

15. You can’t invite whoever you want to the party! We can only have twenty guests.

16. This dress looks absolutely perfect on you; you should buy it