Pouvez-vous m’aider s’il vous plaît
2. Conjugue les verbes entre parenthèses au temps qui convient.

a. If he (can sign up) ......
he (travel) ......... to Mars.
b. If I (can afford) ......... it, I ......... definitely (to try) ......... to travel to
space in my lifetime.
c. We (be able to) ......... do space travels if we (to improve) ......... our technology.