First & Second Conditional

First Conditional and Second Conditional are for Future possible situations

BUT -  Second Conditional is less probable

if it rains I will take an umbrella

if it rained I would take an umbrella

present simple, will

past simple, would

if there was a fire I would save my computer

if there is a fire I will save my computer

If I pass my exams I will go on holiday. If I passed my exams I would go on holiday.

If I pass my preintermediate exam, (then=poi) next year I will try intermediate.

If I don't make enough money, I won't return next year.

If I didn't make enough money, I wouldn't return next year.

If the weather continues to be good, I will go to the beach.

If the weather continued to be good, I would go to the beach.

if she went to Cairo, she wouldn't take her dog.