Phrasal verbs
http://www.youtube.com/watch?v=tJS4oLK4mkI&feature=relmfu
Neither/ Either/ Nor
http://www.youtube.com/watch?v=CrEadEK8sd8&feature=relmfu
So / Too
http://www.youtube.com/watch?v=QMDFEvKfq9k&feature=relmfu
Present Perfect / Still
http://www.youtube.com/watch?v=Qeaw0l90QJs&feature=related
Present Perfect / Yet
http://www.youtube.com/watch?v=sL47KXdmPM4&feature=related
Present Perfect / Already
http://www.youtube.com/watch?v=3iPJgUkiDX8&feature=related
Present Perfect / Ever
http://www.youtube.com/watch?v=ZJyTgRmXrdc&feature=related
Present Perfect / For and Since
http://www.youtube.com/watch?v=mUsVv7OMhSw&feature=related
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