type 1. =if you practice it more, you will understand the program. tolong ubah k type 2 & 3 ya...cepat.

Kelas: SMA
Pelajaran: English
Kategori: conditional tense
Pembahasan: 

If conditional type 2 is to show an imaginary situation / unreal thing, which is impossible to happen.
- If you practised it more, you would understand the program 
( the fact: you won't understand the program because you doesn't practise it more)

If conditional type 3 is to show a regret due to a mistake in the past.
- If you had practised it more, you would've understood the program. 
( the fact: you didn't practise it more so you wouldn't understand the program)