An infinitive used as a noun is diagrammed on a pedestal, or step.

1
An infinitive used as a noun is diagrammed on a
pedestal, or step.

• The modifiers and complements used in the
  infinitive phrase are diagrammed in the usual way.

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The boy wanted to run down the street.
to
run
down
street
the
boy
wanted
The
The infinitive is in BLUE.
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3

• An infinitive used as an adjective or adverb is
  diagrammed as a step off of the noun or verb it
  is describing.

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Steve is trying to cook.
Steve
is
trying
to
cook
The infinitive is in BLUE.
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Sometimes an infinitive doesnt start with to.
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Ashley saw Trevor take the cookies.
Trevor
(to)
take
cookies
the
Ashley
saw
Even though the sentence doesnt include the
word to, add it placed inside parenthesis.
The infinitive is in BLUE.
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