The document discusses using "should" and "shouldn't" to give advice and ask for advice. It provides examples of using "should" and "shouldn't" affirmatively, negatively, and as questions to talk about common activities like jogging, studying, using a calculator, taking a taxi, smoking, wearing a helmet, and more. It then shifts to discussing using "must" and "mustn't" to express obligations, prohibitions, and things that are required or forbidden. Examples are given like following the speed limit, texting in class, paying bills, getting haircuts, eating, watching movies, and more.

1. ShouldShould
shouldn’tshouldn’t
ShouldShould
shouldn’tshouldn’t
Asking for and giving
advice
Asking for and giving
advice
Usted debe/deberíaUsted debe/debería
George MeléndezGeorge Meléndez
Qué debo/debería hacer?Qué debo/debería hacer?

2. George MeléndezGeorge Meléndez
do jogging
You should do jogging

3. George MeléndezGeorge Meléndez
study more
She should study more

4. George MeléndezGeorge Meléndez
use a calculator
He should use a calculator

5. George MeléndezGeorge Meléndez
get a taxi
They should get a taxi

6. George MeléndezGeorge Meléndez
You shouldn’t eat greasy food
eat greasy food

7. George MeléndezGeorge Meléndez
You smoke
You shouldn’t smoke

8. George MeléndezGeorge Meléndez
wear - helmet
He should wear the helmet

9. George MeléndezGeorge Meléndez
I – do ?
What should I do?

10. ShouldShould
shouldn’tshouldn’t
ShouldShould
shouldn’tshouldn’t
Asking for and giving
advice
Asking for and giving
advice
Usted debe/deberíaUsted debe/debería
George MeléndezGeorge Meléndez
Qué debo/debería hacer?Qué debo/debería hacer?

11. You should do jogging
She should study more
He should use a calculator
should they get a taxi?
He should wear a helmet
You shouldn’t do jogging
She shouldn’t study more
He shouldn’t use a calculator
They shouldn’t get a taxi
He shouldn’t wear a helmet
AffirmativeAffirmative NegativeNegative
QuestionQuestion
should you do jogging?
should she study more?
should he use a calculator?
They should get a taxi
should he wear a helmet? George MeléndezGeorge Meléndez

12. • MustMust
• MustMustn’tn’t
(tener que…)
no tener que…
no poder…(porque está
prohibido)

15. You must follow
the speed limit

16. You mustn’t texting in
class

17.  Tengo que pasar los seis niveles de Inglés
 We must pay the electricity bill
 I must have a hair cut every
month
 We must eat for living
 You must watch that movie
 I must pass the English levels
 Tenemos que pagar la factura de la luz…
 Me tengo que hacer motilar una vez al mes
 Tenemos que comer para vivir
 Tienen que ver esa película…

18.  We mustn’t fail the English test
 I mustn’t smoke in class
 We mustn’t travel to USA
without a visa
 You mustn’t work if you have
a terrible cold
 I mustn’t give you a high grade
if you don’t know the topic
 No puedo perder el parcial de Inglés
 No podemos viajar a EU sin visa
 No puedo fumar en clase
 Usted no puede trabajar si tiene mucha gripa
 No le puedo poner buena nota si no sabe el tema