Completar Frases Third Conditional Fill in the BlanksVersión en línea Test your knowledge of the third conditional by filling in the blanks with the correct verb forms. por Emmanuel Valenzuela Hernandez 1 'would have' 'if' past perfect regrets speaker passed unreal situations example past third conditional past participle hypothetical situations impossible unlikely different outcomes 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 .