Nda ^,^

‘Conditional Sentences’ adalah kalimat pengandaian, yaitu:

A. REAL CONDITIONAL SENTENCES/CONDITIONAL TYPE ONE
FORM: (IF + THE SIMPLE PRESENT TENSE + THE FUTURE TENSE)
Real conditional sentences adalah kalimat yang akan terjadi atau tidak akan terjadi (mungkin terjadi) tergantung pada suatu kondisi atau keadaan
CONTOH:
Conditional sentences which may or may not happen (kalimat ‘conditional’ yang mungkin terjadi dan mungkin juga tidak terjadi)
• If it rains, I will not go
(We do not know yet wheter it will rain, may be it will rain. Maybe it won’t)
• If you insist, he will let you have it
(we do not know yet wheter you will insist. Maybe you will insist. Maybe you won’t)
• If she loves you, she will be happy for you.
(we do not know yet wheter she will love you. Maybe she will love you. Maybe she won’t).
“Kalimat utama di atas akan terjadi jika kondisi dalam If-clause terpenuhi. Kalau kondisi pada If-clause tidak terpenuhi, maka main clause-nya tidak akan terjadi.

B. UNREAL CONDITIONAL SENTENCES IN THE PRESENT/CONDITIONAL TYPE TWO
FORM: (IF + THE SIMPLE PAST TENSE + THE PAST FUTURE TENSE)
‘Unreal Conditional Sentences in the present’ adalah kalimat yang tidak sesuai dengan kenyataan yang ada sekarang di hadapan kita.
CONTOH:
Conditional sentences which is contrary to the fact at present (kalimat ‘conditional’ yang bertolak belakang dengan kenyataan saat ini)
• If I were in town, I would go.
(I am not in town)
• If I took the plane, I would get there fast.
(I don’t take the plane)
• If I knew, I would tell you.
(I don’t know)

C. UNREAL CONDITIONAL SENTENCES IN THE PAST
FORM: (IF + THE PAST PERFECT TENSE, + THE PAST FUTURE PERFECT TENSE)
‘Unreal conditional sentence in the past’ adalah kalimat yang tidak sesuai dengan kenyataan yang terjadi di masa lampau.
CONTOH:
• If I had know it, I would have told you.
(I didn’t know it, or I haven’t known it.)
• If you had told me, I would have defended you.
(You didn’t tell me, or you haven’t told me.)
• If she hadn’t come late, She would have defended you.
(She came late, or she has come late।)

sumber : http://englishcreation.blogspot.com/2009/06/conditional-sentences.html