apa rumus grammar conditional sentence

Conditional Sentence Type 1:
if + Simple Present Tense, will - Future 
Ex: If I get B in my test, I'll study even harder.
Ciri: conditional sentence type 1 digunakan untuk membahas kejadian-
       kejadian yang mungkin terjadi dan bahkan sangat mungkin.

Conditional Sentence Type 2:
if + Simple Past Tense, Conditional 1 (= would + infinitive)
Ex: If I got B in my test, I would study even harder.
Ciri: conditional sentence type 2 digunakan ketika berbicara soal kejadian
       yang mungkin saja terjadi, tetapi jarang/kecil kemungkinannya.

Conditional Sentence Type 3:
if + Past Perfect Tense, Conditional 2 (= would + have + Past Participle)
Ex: If I had got B in my test, I would have studied even harder.
Ciri: conditional sentence type 3 digunakan ketika berbicara soal kejadian
       yang sama sekali tidak mungkin terjadi karena menggunakan tenses
       masa lampau (past).