I can reading a book.
I can read a book.
Sorry, I can/can't go to the cinema tomorrow. I must study.
Can't
headache
dolor de cabeza
I have a fever and a sore throat.
Tengo fiebre y dolor de garganta.
____ I go to the toilet, please?
can
My mum can't swim when she was 10.
My mum couldn't swim when she was 10.
Can/Could you ride a bike when you were 5?
Could
famine
hambre
She can ride a horse, but she can't ride a bike.
Sabe montar a caballo, pero no sabe montar en bici.
You _________ study English every day.
should/must
You can open the window?
Can you open the window?
If you have a headache, you should/can go to the doctor.
should
heat wave
ola de calor
¿Puedes cerrar la puerta, por favor? No puedo escucharte.
Can you close the door, please? I can't hear you.
You _________ speak during an exam.
mustn't
You shouldn't study English if you want to pass the exam.
You should study English if you want to pass the exam.
Sarah must/mustn't wear a uniform to school.
must
resfriado
a cold
-Tengo la gripe.
-Deberías ir al médico.
-I have the flu.
-You should go to the doctor.
Do you think I _________ buy a new phone?
should
You know you must smoke in hospitals.
You know you mustn't smoke in hospitals.
I think you mustn't/shouldn't eat chocolate.
shouldn't
varicela
chicken pox
-¿Debería llamar a mi madre?
-Sí, tú deberías.
-Should I call my mum?
-Yes, you should.
could