Como formular oraciones en inglés?

Si la vas a formular en zero conditional

if + present tense + present tense

ejemplo

if i study i have good grades

si es en first conditional

if + present simple + will verb

ejemplo

if i get up late the bus will miss me

si es en second conditional

if + past simple + would infinitive

ejemplo

if i had his number i woulf call him

y si es third conditional es

if + past perfect + would have past participle

ejemplo

if she had studied she would have passed the exam.