Present Perfect
| dc.contributor.author | Piedra Mayorga, María del Socorro | |
| dc.date.accessioned | 2017-05-10T16:25:02Z | |
| dc.date.available | 2017-05-10T16:25:02Z | |
| dc.date.issued | 2017-01-01 | |
| dc.description.abstract | We use the Present Perfect to say that an action started at an unspecified time in the past and continue at the present time. | es |
| dc.identifier.uri | https://repository.uaeh.edu.mx/bitstream/123456789/17731 | |
| dc.language.iso | es | es |
| dc.subject | Have, has, past participle of the vebs. | es |
| dc.title | Present Perfect | es |
| dc.type | Presentation | es |