1.will give

2.would type

3. would have visited

4.attended 

5.knew

6.had arrived

7.wouldn't make

8.were

9.find

10.would be 

11.didn't spend/would have

12.gave/ would you do

13.press/ will save

14.teach/will be

15.had bought / wouldn't have lost

Đk loại 1: 

if/unless +S+Vht, S+will +v

Đk loại 2: 

if +S+Vqk, S+would+v

Đk loại 3

if +S+had +V2,S+would have+V2

1. Will
2. Would type
3. Would have visited
4. Attended
5. Knew
6. Had arrived
7. Wouldn’t make
8. Were
9. Find
10. Would be
11. Would have - hadn’t spent
12. Gave - would you do
13. Press - will save
14. Will be - teaches
15. Buys - will not lose 
If S V(HTD), S will/may/can Vnt
If S V(QKD), S would/could/might Vnt
If S V(QKHT), S would/could/might have VPII
If S V(QKHT), S would/could/might Vnt