ZERO CONDITIONAL If you don’t water flowers, they die. If you have a headache,

If you have a headache,

With zero conditional
we express a general truth or we give advice.

If clause: PRESENT SIMPLE

Main clause: PRESENT SIMPLE or IMPERATIVE

go for a walk.
If you don’t apologize, she will

The first conditional refers to the future. It expresses a possible action in the future.

If clause: PRESENT SIMPLE

Main clause: WILL (can, could, may, might) + infinitive

this because he doesn’t have any money.
If I had

SECOND CONDITIONAL

because she doesn’t know his number.
If I knew his

SECOND CONDITIONAL

a big house.
If I knew his number, I would phone

if-clause: PAST TENSE SIMPLE

main clause: WOULD (could, might) + infinitive

SECOND CONDITIONAL

The second conditional is used
1. To express imaginary or unreal situations in the present and future.
2. To give advice: If I were you, I’d - If I were you, I would phone him

if not in any conditional sentence:
Zero: I can’t help my