Spanish tenses are well defined (even if
it doesn't look like that on the first glance)
and they need to be used according to their
In Spanish there are more tenses, we have
two simple past tenses (pretérito
indefinido and pretérito imperfecto)
and three compound tenses (perfecto, plusquamperfecto
The modal verb for the Spanish compound
tenses is haber.
In English to have
is used as a modal verb for the compound
is not used as a full verb for to own, to
have anymore. It once had this meaning,
now it's only history. A remainder is hay
= there is (No hay
zumo de naranja = there is no orange juice).