U6+Present+Perfect+Simple

Present Perfect Simple (Předpřítomný čas prostý) media type="youtube" key="M7MjVZhAbbk" width="425" height="350" media type="youtube" key="BBEOegQ5e-E" width="425" height="350"

Click hereto check the usage and try some exercises. Some more exercises:
 * Which tense?
 * Match
 * Complete