Is there an LD that prevents: identifying parts of speech?

We have a 9 year old son (in 5th grade) that has ADD/ADHD, dysgraphia (he types "writes" and does not handwrite very often), sensory disorder, balance issues, dev delay, osteoporosis, TBA, asthma, and *many* other medical issues.

He has tons of difficulty identifying parts of speech on English tests. He has a very high IQ (not asp bergs), types over 80 wpm, "writes" detailed and extremely well thought out stories and assignments but can not identify a verb from an adjective ect.

We have been told he is one of the brightest kids in our school district but that he is failing English and might not qualify for the "gifted" placement in 6th grade. This is odd as he is very bright.

His teachers are confused as to why he always gets an A on writing assignments, reports, homework, ect but on every test that he is given during regular class he gets a D or an F on whenever he is asked to identify parts of speech. I should point out that on his ACT last year he more than past as well as the standardized tests that the school has given him.

My husband and I think that he "writes" so well because he reads and understands at a college level and is always reading and therefore he understands how to write. When he reads and "writes" he knows how to put it into words but we still do not understand why he can not seem to identify parts of speech...

Help, please.

He was grade skipped on his 7th b-day. The school wanted him to move more than one grade but we only allowed one grade move ahead.

He gets instruction during class and "seems" to understand but when they give him class tests he fails. The school has not given him additional assistance, though I do have a few calls to the school that have yet to be returned...

He is very smart and when he fails these tests he dose not understand why he fails.

I purchased a few workbooks from the local teaching store and he continues to make mistakes.

I know there is an LD if you do not recognized math symbolizes but is there one for not being able to identify parts of speech?

Hi DMS,
You wrote that he also has Dysgraphia and Balance issues, which I would equate with Spatial Working Memory difficulties. Where both our Visual and Auditory Working Memories have a Spatial side to them.
We rely on Spatial thinking to construct and deconstruct elements within our Visual and Auditory thinking. Which could directly relate to a difficulty with recognising 'parts of speech'.
You write: "He has a very high IQ (not asp bergs), types over 80 wpm, "writes" detailed and extremely well thought out stories and assignments but can not identify a verb from an adjective ect."
But, more importantly, does he use verbs and adjectives correctly when writing or speaking?
Geoff,