Conditional (if …) Conditional Clause I - события возможны в Main Clause настоящем или будущем If + V(V s ) / Pres.Simple will + V If it snows, If I learn the words well, they will go skiing Ill get a good mark II - события маловероятны внастоящем или будущем If + V 2 ( V ed) / Past Simple would (might) + V If he had a lot of money, If I were a rich man, he /I would travel all around the world III - нереальное условие,относится к прошедшему времени If + had V 3 / Past Perfect would (could) have + V 3 If you had helped him,he wouldnt have got a bad mark in Maths.
The Conditional Sentences can be combined: прошедшее if + had V 3 настоящее / будущее would + V If our football team had won the last match, -they would (could) try their chance in South Africa. -they would go to the world football championship. If you hadnt already seen this film, we could (would) go to the cinema together. настоящее (нереальное) if + V 2 / V ed прошедшее would have + V 3 If he werent so lazy,he would have written the test successfully. If I were you,I would have answered this letter.