Can is used to express ability or to say that
something is possible.
Can is the same for all subjects. We don't add an
'S' in the third person (like other verbs)
The verb that comes
after Can is in the infinitive without to:
I can speak Spanish.
(= it is possible for me to speak Spanish = I have the ability to speak
Spanish)
He can swim well.
We can see my neighbour in the garden.
Negative
To form the negative we add
"not" after can to form one word: cannot.
We can also contract the
negative to form can't. (can't = cannot)
I cannot play the
piano. We can't go to the cinema tonight.
Questions
To from the question we
change the position of the subject and the auxiliary verb.
The main verb is still in
the infinitive without to.
Where can I buy an
ice-cream? Can I go to
the party, please?
Remember that you can use
short answers:
Can I sit here
please? Yes, you can.
Can you speak
Chinese? No, I can't.
Impersonal Can
Sometimes You can and Can
you…? are impersonal and refer to people in general.
You can see many stars at night from here. (= people
in general can see many stars)
It doesn't necessarily
refer to you but people in general.
You can't run naked in the middle of the street.
Not necessarily saying YOU
can't run naked in the middle of the street but in general it is not possible
for anyone.
Exercises:
1)
Can you play the
guitar?
a) Yes, I can’t.
b) No, cannot. c) Yes, I
can. d) No, I am not.
2)
I ________.
a) Can speak German.
b) Can to speak English. c) Can be learn French. d) Is can study English.
3)
Can he speak
English?
a) Yes, he do.
b) No, I can’t. c) Yes, he
can. d) Yes, you can.
4)
Can you swim?
a) So can I. b)
Also can too. c) Yes, I can’t. d) No, I cannot.
5)
Which is correct?
a) Please I use can your telephone? b) Can I please use your telephone? c) Can you call
me please telephone? d) Please I call
your can with telephone?
Teacher Gustavo
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