Online summaries and exercises on basic prepositions
A presentation on explanation and practice of ON IN AT
A presentation on Phrasal Verbs
http://a4esl.org/q/j/tp/mc-particle.html
http://a4esl.org/q/j/tp/mc-particle2.html
http://a4esl.org/q/j/tp/mc-particle3.html
http://a4esl.org/q/j/tp/mc-particle4.html
http://a4esl.org/q/j/tp/mc-particle5.html
http://a4esl.org/q/j/tp/mc-particle6.html