Шпоры по грамматике

1. значило бы….
To do smth Would mean to do smth.
To have done smth Would have meant to do.
To produce the wrong expressin, would mean to loose your chance.
2. если бы не…, то….
But for smth, smb Would.
should Do.
Be doing.
Be done Present.
Have done.
Have been doing.
Have been done past.
But for his brother, he would go withus tomorrow /.
Если бы не брат, он бы поехал с нами завтра.