hay
there is/are
hab�a
there was/were
va a
s/he goes to
fue a
s/he went a
quiere
s/he wants
quer�a
s/he wanted
tiene
s/he has
ten�a
s/he had
es
s/he is
era
s/he was
est�
s/he is feeling/is located
estaba
s/he was feeling/was located
le gusta
it is pleasing to him/her (s/he likes)
le gustaba
it was pleasing to him/her (s/he liked)