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Making requests and giving instructions
Form
Subject
Auxiliary verb
Main verb
Complement
AfFrmative
I, you, he, she, it,
we, you, they
can
dance
very well.
Negative
I, you, he, she, it,
we, you, they
cannot
can’t
dance
very well.
Form
Auxiliary verb
Subject
Main verb
Complement
Interrogative
Can
I, you, he, she, it,
we, you, they
dance
very well?
Reference took froms
read on july 10th, 2014.
Could
is a modal auxiliary verb.
Could is used to talk about past possibility or ability, to make requests and also to
specify what we were able to do.
The main verb is always in inFnitive, without “to”.
You use could to talk about what was possible in the past, what you were able to do:
Examples
: I could climb a tree when I was a child.
My friends could ride their bicycles when they were younger.
Could is also used in questions, and is in a formal way:
Examples;
Could you tell me where the church is, please?
Could you give me the telephone number of your teacher, please?
Form
Subject
Auxiliary verb
Main verb
Complement
AfFrmative
I, you, he, she,
it, we, you, they
could
read
very slowly, now
I read faster.
Negative
I, you, he, she,
it, we, you, they
could not
couldn’t
read
very slowly, now
I read faster.
Form
Auxiliary verb
Subject
Main verb
Complement
Interrogative
Could
I, you, he, she,
it, we, you, they
read
very slowly
before?
Adaptado, disponible en http://www.englishclub.com/grammar/verbs-modals_can_2.htm con-
sultado el 10 de julio de 2014.