Question 15: Mark the letter A, B, C or D to indicate the correct answer to each of the following questions. Question 9. Unless you ____________ your heart, you might spend the rest of your life wishing you had.

Knowledge of conditional sentences

Conditional sentences type 1: express a hypothesis that may happen in the present or future. + Unless= If… not

+ If +S1+ V (current simple)+ O, S2+ will/shall/may/can+ V+ O.

If you don’t follow your heart, you’ll probably spend the rest of your life regretting it.