This page contains brief lessons about specific grammatical issues and focuses mostly on Egyptian colloquial Arabic, though it does also include some information about Modern Standard Arabic (MSA). Given their brevity, the lessons are of limited use.
This fairly comprehensive website displays various conjugation rules for past and present ...
This fairly comprehensive website displays various conjugation rules for past and present tense verbs in a series of charts. Students are expected to read the author's explanation of the conjugation rules prior to viewing conjugated verb samples in each chart. Alongside modern standard conjugations, the site displays corresponding conjugations for Egyptian colloquial Arabic. Most categories of verbs (sound, weak, irregular, etc.) are displayed.