present perfect simple

[mreyval1102]

I have a question about the present perfect simple
necesio saber en que caso se usa

 

[emsr2d2]

I have a question about the present perfect simple.
necesio saber en que caso se usa

Please write only in English, unless you're in the "Other Languages" sub-forum. You need to ask your question in English in your next post. Also, please check your profile information. I'm certain your native language isn't Assamese.