Compléter Third Conditional Fill in the BlanksVersion en ligne Test your knowledge of the third conditional by filling in the blanks with the correct verb forms. par Emmanuel Valenzuela Hernandez 1 speaker hypothetical situations past participle unlikely passed past unreal situations different outcomes third conditional impossible regrets example 'if' 'would have' past perfect The is used to talk about in the . It is formed by using + , followed by + . For : If I had studied harder , I would have the exam . In this sentence , the is talking about a situation in the past ( not studying hard enough ) and the result of that situation ( not passing the exam ) . The third conditional is used to express , , or to imagine in the past . It is important to note that the third conditional is used for situations that are or to happen .