First Conditional: si + present indicative. The first conditional expresses a real condition that is likely to happen (maybe I'll have time). First conditional sentences are formed as follows: si-clause: si + presente; main clause: presente/futuro de indicativo; Example: Si tengo tiempo, te ayudaré. If I have time, I'll help you. Conditional sentences (all types) PDF worksheets and online exercises with answers. Online exercises with answers. Third conditional - complete a letter. Dear Jill, if you hadn't go to the disco, you wouldn't have Third conditional - rewrite sentences. Rewrite the sentences and keep the same meaning. Third conditional - complete sentences RleFV9S.

example of type 3 conditional sentence