If you (a)   (be) late again, I will get angry with you.

If Noah (a)   (not-study) hard, he won’t pass the test.

If Frank (a)   (practice) every day, He will pass his speaking exam.

If Marcos (a)   (not-do) his homework, he can not go to the party.

I will go to the beach if it (a)   (be) sunny today.

If the engineers (a)   (be) busy now, I will come back tomorrow.

If you eat too little, you (a)   (not have) energy.

You (a)   (not be able) to sleep if you watch this scary film.

If her boyfriend (a)   (not-phone) today, she will leave him.

Peggy won't go shopping if her friends (a)   (not-have) enough time in the afternoon.

Oliver will go to London next week if he (a)   (get) a cheap flight.

I (a)   (lend) you my laptop if you promise to be careful with it.

If Robert (a)   (have) a fever, he will see the doctor.

You'll be late for school if you (a)   (not get up) now.