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http://www.eslvideo.com/esl_video_quiz_intermediate.php?id=18338
http://www.eslvideo.com/esl_video_quiz_intermediate.php?id=17877
http://www.eslvideo.com/esl_video_quiz_intermediate.php?id=17909
PRESENT PERFECT CONTINUOUS
http://www.englishgrammarsecrets.com/presentperfectcontinuous/exercise4.swf
http://www.learnenglish.de/Games/Tenses/PrePerCon.html
http://speakspeak.com/english-grammar-exercises/intermediate/present-perfect-simple-v-continuous
http://speakspeak.com/english-grammar-exercises/intermediate/present-perfect-simple-v-continuous-2
http://www.perfect-english-grammar.com/present-perfect-present-perfect-continuous-2.html
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