Conditionals
I .......(upgrade) my computer if I were you.
would upgrade
I don't have money.I can't buy a new phone.
If I had money,I could buy a new phone.
If you.......(not/ buy) a modem,you won't be able to access the Internet.
don't buy
If water reaches 100 degrees, it.......(boil).
boils
You didn't give me your email address. I couldn't send you the pictures.
If you had given me your email, I could have sent you the pictures.
I would call them to ask for my money back if I....(be) you.
were
If I...... (have) a magic, I would change the world into a better place.
had
Martha missed the bus. She was late for school.
If Martha hadn't missed the bus,she wouldn't have been late for school.
Unless you study, you.......(not/pass) your exam.
won't pass
Her parents will buy her a new laptop if she......(pass) all her exams.
passes