Final answer:
The student's question does not directly refer to the specific number of forms of "a" in the Navajo language, but in English phonetics, there are distinctions like short and long <ā>. The Navajo language is known for its complexity and unique sound system and played a historical role in WWII with the Navajo Code Talkers.
Step-by-step explanation:
The Navajo language, a key aspect of Navajo culture, is rich and complex, with its own unique sounds and structures.
When discussing the forms of "a" found in the Navajo language, the student's question does not provide a direct answer since it doesn't pertain to Navajo specifically.
However, in English phonetics, as seen in a teaching guide for pronunciation, different sounds of "a" such as short and long <ā> are identified. For example, in English, the word 'branch' contains a short , while the word 'tale' contains a long .
In the context of the Navajo language, like many Indigenous languages, the phonetic system may vary and could include different forms or quantities of a given vowel sound, including "a".
The Navajo language also played a significant role during World War II, where Navajo Code Talkers used their language to create an unbreakable code to send secret messages.