°If + past tense + would / wouldn´t
°If + past tense + could / might
-If the price was lower, I´d buy it.
-I wouldn´t buy it if it wasn´t good quality.
-If you reduce the price, we might be interested.
Conditional 2 has the following uses:
°Imagine unreal situations.
-If everyone used email, we wouldn´t need to send letters.
-If electric cars didn´t have so many disadvantages, more peolpe would buy them.
°Imaginative the results of improbable actions for events.
-If your sales increased by 15 per cent, we´d make a lot of profit.
-If other companies entered the market, there would be more competition.