E n g L i s h jenni Currie Santamaria

Present Form
Afirmative
Present Form
Negative
Past Form
Afirmative
Past Form
Negative
can
cannot
can’t
could
could not
couldn’t
may
may not
might
might not
must
must not
mustn’t* (not usually used in 
American English)
X
X
shall
shall not
should
should not
shouldn’t
will
will not
won’t
would
would not
wouldn’t
The present forms have no third-person singular with an added 
-s. 
For example:
He 
can
 go.
She 
will
 leave.
NOT
He can
s
 go.
She will
s
 leave.
* 
Must 
has no past form. It is the only verb in English to have a present but no 
past.
B.
Use the grammar
From the “gremlin checklist” in the passage, find three sentences using the 
modal 
can
, and write them in the blanks.
1.
2. 
3.
From the “gremlin checklist” in the passage, find one sentence using the modal 
can’t
, and write it in the blank.
4.
From the “gremlin checklist” in the passage, find one sentence using the modal 
must
, and write it in the blank.
5.

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Sickness and Health
|
161
VI. READ IT AGAIN
Read the passage again. Answer the question.
What is the general message of the passage?
SYMPTOMS OF DEPRESSION
I. PRE-READING
A.
Background information
Depression is a growing problem throughout the world. Though depression has 
often been thought of as an adult sickness, many mental health–care workers, 
teachers, and parents are beginning to take depression in children and 
adolescents more seriously. This excerpt is from the book 
Why Boys Don’t 
Talk—And Why It Matters
,
 
by Susan Morris Shaffer and Linda Perlman Gordon
. 
It focuses on how parents can recognize depression in adolescents, and in