lunes, 28 de mayo de 2012

PRESENT PERFECT

PRESENT PERFECT

activity 0. have or has?
activity 0.1
activity 0.2

activity 1 present perfect
activity 2 present perfect 2
activity 3 for or since?
since or for? time expressions
activity 4 for/since
activity 5 irregular verbs


more practise??? 

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