Răspuns:
itionalNature: Open condition, what is said in the condition is possible.Time: This condition refers either to present or to future time.
e.g. If he is late, we will have to go without him.
If my mother knows about this, we are in serious trouble.
Second conditionalNature: unreal (impossible) or improbable situations.Time: present; the TENSE is past, but we are talking about the present, now.
e.g. If I knew her name, I would tell you.
If I were you, I would tell my father.
Compare: If I become president, I will change the social security system. (Said by a presidential candidate)
If I became president, I would change the social security system. (Said by a schoolboy: improbable)
If we win this match, we are qualified for the semifinals.
If I won a million pounds, I would stop teaching. (improbable)
Third conditionalNature: unrealTime: Past (so we are talking about a situation that was not so in the past.)
e.g. If you had warned me, I would not have told your father about that party.(But you didn't, and I have).
