THE CONDITIONAL ZERO.

THE CONDITIONAL ZERO.

1. Structure:

   • if + subject+ present simple,subject + present simple.
     • The order of the two sentences that make up the structure of the conditional can be changed, with that you have no problem,but remember that if the sentence with if is second,I don't know the comma.
       • Example:
         • If water reaches 100°c,it bolis.
   • (if ... then )
     • if you don't study ,then you fail.

2. uses

   • To express facts that are always true.
     • you get orange if you mix re and yellow.
   • To give instructions .
     • Don't open the door if someone knoks .
     • Only in this conditional can we subtitute if form when ,withoud changing the meaning of the sentence.
       • if you heat ice ,it melts.

3. Diferences between the firts conditional and the zero conditional

   • The firts conditional, affirms a particular situation in a wich the conditional facts occurs ,while the conditional zero generalices it,and affirms that when something happens, something else will inmediately come off it.