
IF + PRESENT SIMPLE, WILL + BASE VERB
The probability is 50%
IF + PAST PERFECT, WOULD HAVE + PAST PARTICIPLE
The probability is 0%
IF + PRESENT SIMPLE, PRESENT SIMPLE
The probability is 100%
IF + PAST SIMPLE, WOULD + BASE FORM
The probability is 10%
IF + PAST SIMPLE, WOULD (COULD, MIGHT) HAVE + PAST PARTICIPLE
IF + PAST PERFECT, WOULD (COULD, MIGHT) + INFINITIVE