Links to Grammar exercises on the Web. (Report broken links here!)
http://www.arts.uwaterloo.ca/~skidmore/grammarpage.htm
http://www.creighton.edu/~bohlke/gpo/
Commands
http://www.uwinnipeg.ca/~oberle/courses/review.html#The%20Imperative
Telling Time
http://vassun.vassar.edu/~vonderem/deutsch_heute/Kapitel02/Ubungen/time1.html
http://vassun.vassar.edu/~vonderem/deutsch_heute/Kapitel02/Ubungen/time2.html
Modal Verbs
http://german.about.com/library/blmodalv01.htm
http://www.mckinnonsc.vic.edu.au/la/lote/german/materials/grammar/perfect.htm#exercise
http://www.mnsfld.edu/~bholtman/holtman/102/exer102.htm
http://www.mnsfld.edu/~bholtman/holtman/102/exercises/partizip1.htm
http://www.mnsfld.edu/~bholtman/holtman/102/exercises/zeitausdr.htm
Da/Wo compounds
http://www.lsa.umich.edu/german/hmr/Grammatik/Da/Da.html (explanation + exercises)
http://class.georgiasouthern.edu/fl/german/grammar/gr-dawo.htm
http://www.wm.edu/CAS/modlang/gasmit/webpractest/preposit/dacmpnd.html
Relative Clauses
http://www.westirondequoit.org/ihs/LOTE/Green/page0006.html
http://www.mckinnonsc.vic.edu.au/la/lote/german/materials/grammar/gramquiz/relpro-nomacc.htm
Adjective endings