The Signal
a : This Head Signal key precedes a noun or noun phrase.
It initiates an M-Code. This Body Signal is followed by noun or noun-phrase.
a refers to M-code head signal.
Unlike the M-Code Head Signal
a, the head signal
A comes at the beginning of the sentence.
Example
Look at the following sentence.
Heat moves through a material.
signal Key
For the given sentence, figure out the siganl key
a.
Heat moves through a material.
Graphic Transformation
Draw underline under M-Code that signal key a introduces.
Heat moves through a material.
Grammatical Approach
The Head Signal a is an indefinite article.
Ex. I didn't hear a word you said. (one)
Ex. A beaver builds dams. (any, each)
Ex. This is a person you can trust. (such a)
Ex. Water is a liquid. (an example or kind of)
The Head siganl a is also a preposition.
Ex. We paid five dollars a person for the tickets. (in or to each)
Ex. An apple a day keeps the doctor away. (per)
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