More on -ING vs. TO-infinitive
http://www.english-grammar.at (intermediate, printable)http://www.agendaweb.org/ (online activities)
http://web2.uvcs.uvic.ca/
Grammar topics A1-A2-B1
http://image.slidesharecdn.com/gerundsandinfinitives-131103161748-phpapp01/95/gerunds-and-infinitives-1-638.jpg?cb=1383495908 |
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