genres ..text structures

What are some key genres (or text structures) that student with disabilities strugle with and  what aspects of these are particularly difficult for students with MM disabilities? be specific and discuss students with Learning disability, intelictual disablity , emotional disorder, and HF Autism). 

in other words list what type of genres or text structures are difficult for Learning Disability, Intellectual Disability, Emotional Disturbance, or High-Functioning Autism and WHY they are difficult for students with these disabilities.

One paragraph or use this table