The document provides examples of using "should" and "shouldn't" to give advice, make recommendations, and discuss what is right and wrong. Some examples given include that one should do jogging, study more, use a calculator, and wear a helmet. Meanwhile, one shouldn't eat greasy food, smoke, or not wear a helmet. It also discusses using questions with "should" and the differences between affirmative, negative, and question forms.

1. ShouldShould//
Shouldn’tShouldn’t
George MeléndezGeorge Meléndez

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
I – do ?
What should I do?

9. George MeléndezGeorge Meléndez
wear - helmet
He should wear a helmet

10. George MeléndezGeorge Meléndez
Excuse me, could
you help me to find
a book?

11. Should – shouldn’tShould – shouldn’t
Asking for and giving
advice
Asking for and giving
advice
To talk about what we
think is right or wrong
To talk about what we
think is right or wrong
George MeléndezGeorge Meléndez
RequestsRequests

12. 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

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

16. You must follow
the speed limit

17. You mustn’t sleep in class

18.  I must pass the English levels
 We must pay the electricity
bill
 I must have a hair cut every
month
 We must eat for living
 You must watch that movie

19.  We mustn’t fail the English test
 We mustn’t smoke in class
 I 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 lesson