Réponse :
Bonjour,
1/
a)
If Macey is President, she will know everything about the Book of Secrets.
If Macey was President, she would know everything about the Book of Secrets.
b)
If Ellen decides to stop being a tv host, she will have regrets about it.
If Ellen decided to stop being a tv host, she would have regrets about it.
c)
If Barack Obama writes a book, he will write about his family.
If Barack Obama wrote a book, he would write about his family.
d)
If Barack Obama writes a book , he will write about his mandate
If Barack Obama wrote a book, he would write about his mandate.
Explications :
If + Présent -----------------------> Will + base verbale = évoque l'avenir
If + Prétérit------------------------> Would + base verbale =évoque une hypothèse
