- câu ĐK loại 1: If + S + HTĐ, S + will (not) + V0 

- câu ĐK loại 2: If + S + QKĐ ( Vbe thì dùng 'were' ), S + would (not) + V0

- câu ĐK loại 3: If + S + QKHT, S + would + have + V3/ed

1. have

2. will notice

3. had known

4. were

5. would have arrived

6. wouldn't be

7. will get

8. told

9. would have gone

10. hadn't hidden

@ $quynhly$

`2`.will notice

`3`. had known

`4`. was

`5.` would have arrived
`6`. wouldn't be
`7.` will get
`8.` told
`9`. would have gone
`10`. hadn't hidden

* Notes : 

If + Present simple ,Present simple : Sự thật hiển nhiên

If + Present simple (Present continuous, Present perfect),Future simple:Ở hiện tại và có thật

If + Past simple (Past continuous),Would/Could/Should (not) + V (inf):Không có thật ở hiện tại

If + Past perfect (Past perfect continuous) , Would/Could/Should (not) + Have + V3/ed : Không có thật trong quá khứ