The document discusses the modal verbs can and must. Can expresses ability and is always followed by an infinitive verb without "to." Must expresses necessity or obligation and also takes an infinitive verb. The text provides examples of how Mark can read, write, and play cards but cannot run, ride his bike, or run due to a broken leg. Mark must stay at home.

1. · Can expresses ability or capacity.
· Can is called a modal verb. It
always keeps the same form in
the present.
· Can is always followed by a verb in
the infinitive without to
Negative form = can + not
(can´t)
Read the text:
Mark has got a broken leg. He
must stay at home. He can
read and write and he can play
cards. But, unfortunately he
can´t run. He can´t ride his
bike and he can´t run.
2. True (T) or false (F)? If they are false correct them .
A) Mark hasn´t got a broken leg.
B) He can read and write.
C) He can run.
D) He mustn't stay at home.
4. Say what you must or mustn´t
do in your school.
A) Eat in the classroom.
B) Respect teachers.
C) Leave the classroom without
asking for permission.
D) Use your mobile phone.
E) Listen to music.
6. Write questions and answers using the information in
brackets:
A) _____________________________? ( sing)
__________________________________. (yes)
B) _____________________________? ( play football)
__________________________________. (No)
C) _____________________________? ( speak German)
__________________________________. (no)
D) _____________________________? ( drive a car)
__________________________________. (no)
E) _____________________________? ( dance)
__________________________________. (yes)
· Must expresses necessity /
obligation.
· Must is a modal verb. It
always keeps the same
form in the present.
· Must is always followed by a
verb in the infinitive
without to.
Negative form = must + not
(mustn't)
3. Complete with information
from the text.
Mark can :
Mark can´t :
Mark must :
5. Say what you can or can´t do
A) Cook - I _________________
B) Speak Chinese - I __________
C) Drive a car- I _____________
D) Paint ___________________
E) Swim ___________________