Linked from
The 8 pages that link to Grammatical tense, each with the reason it gives.
InflectionRelated: Verb inflection can locate events in past, present, or future time.
Auxiliary verbRelated: Auxiliaries can carry tense marking in multiword verb forms.
Tense–aspect–moodBroader topic: It supplies the temporal-location dimension of the framework.
Past tenseNarrower topic: Past tense is one value in this broader system of temporal location.