Répondre :
Bonjour,
Expression de l'irréel
Réponse :
a. If you read this cli-fi, you would understand (understand)the necessity to act now.
b. If I were you, I would spread (spread) the message that climate change is real!
c. I would give (give) a speech in my school, if I weren't so shy!
Explications :
Lorsque tu vois "if", tu sors tes antennes ... Il faut faire attention car il y a de la concordance des temps dans le coin...
Tu retiens :
if + prétérit // would + BV
would + BV // if + prétérit
Et l'affaire est dans le sac !