Jawabanmu

2014-03-01T23:47:37+07:00
(0)if + simple present, simple present
(1)if + simple present, will + bare infinitive
(2)if + simple past, would/could/might + bare infinitive
(3)if + past perfect, would/should/could/might have + past participle

2014-03-02T00:39:40+07:00