Assertion: perfect tense | /r/CapableOf | describe action
Facets:
Source sentences:
text: Present perfect tense describes an action that happened at an indefinite time in the past or that began in the past and continues in the present.
text: Past perfect tense describes an action that took place in the past before another past action.
text: Future perfect tense describes an action that will occur in the future before some other action.