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