Revision of prepositions + ---ing form

Here you have some exercises to work with preposition  + -ing form:

• http://www.world-english.org/gerundprep.htm
• http://www.tolearnenglish.com/cgi2/myexam/voir2r.php?id=82507
• http://www.grammar-quizzes.com/gerund3b.html : here you can find two forms which are usual
• by + ---ing (means or method to do something)
• for+ ---ing (a kind of purpose clause)

If you want to revise more prepositions, go to these links which work on adjective + preposition:

• http://www.perfect-english-grammar.com/adjectives-and-prepositions-exercise-1.html
• http://www.english-4u.de/adj_prep.html : here you have a list and exercises at the bottom
• http://wwwedu.ge.ch/cptic/prospective/projets/anglais/exercises/adjprep2.htm