Verb tenses and moods allow speakers to locate actions in time and express attitudes. Analyze the statements about the use of verb tenses in English. 


I.The Present Perfect tense describes an action that happened at an unspecified time in the past or has a connection to the present.


II.The Simple Past tense is used for actions that were completed at a definite time in the past.


III.The Present Continuous tense is used to describe permanent states and facts that are always true.


Choose the alternative that indicates the correct statement(s).