1what would you do if you had a day off school
-> I would stay at home
2 what would you miss if you lived in another country
-> I would miss many interesting fesivals
3 What do you do if you finished the school early today?
-> I would come to my grandparent's house
4 How would you celebrate if you did well at your exam
-> I would celebrate a party.
tất cả câu trên đều xài if2
if S+V2/ed+S+would/could/might +V0