Respuestas
Respuesta:
A.
If + subject + simple present, subject + simple present.
B.
Do/ Does in interrogative.
C.
1. If I go out tonight, I go to the cinema.
2. If you get back late, I'm angry.
3. If we don't see each other tomorrow, we see each other next week.
4. If he comes, I'm surprised.
5. If we wait here, we are late.
D.
1. If people eat too much, they get fat.
2. If you touch fire, you get burned.
3. People die if they don't eat.
4. You get water if you mix hydrogen and oxigen.
5. They are scared if snakes bite.
E.
1. I come early if you want.
2. They go to the party if they are invited.
3. She stays in London if she gets a job.
4. He doesn't pass the exam if he doesn't study hard.
5. I buy a new dress if I have enough money.
2.
A.
Should
Subject + SHOULD + verb in base form + complement.
Subject + SHOULD + NOT+ verb in base form + complement.
SHOULD + subject + verb in base form + complement + question mark ?
Must
Subject + MUST + verb in base form + complement.
Subject + MUST + NOT+ verb in base form + complement.
MUST + subject + verb in base form + complement + question mark ?
B.
Should: We use should to suggest something.
Must: We use must to express a stronger point of view.
C.
1. You should take care yourself.
2. You should stay home.
3. You should wash your hands.
D.
1. You must wear your mask.
2. You must go out only when it's necessary.
3. You mustn't touch your face, nose, and eyes when you are out of house.