GrammarTrainer (http://autism-language-therapies.com/) is an interactive software program that teaches productive grammar. It covers all the fundamentals of English grammar, from simple phrases to complex sentences. Users click or type out phrases and sentences, and receive step-by-step feedback to help them actively correct grammatical errors.
Demos:
http://www.autism-language-therapies.com/NEWDEMOS/DSTARTIB.html
http://www.autism-language-therapies.com/NEWDEMOS/DSTARTIIB.html
http://www.autism-language-therapies.com/NEWDEMOS/DSTARTIIIB.html
http://www.autism-language-therapies.com/NEWDEMOS/DSTARTIVB.html
For more information go to: Sample Excercises
The following provides some Data demonstrating individual student performance/Progress in the system over a 10 week period.
This image shows data from a pilot project using Question Trainer: