The perfect tenses
The present perfect tense and simple past tense both refer to events that took place in the past.
Simple past or verbs perfect tense of verb
My ship came in it has come in
the ran the race They have run it often
she sang a song
The present perfect tense and simple past tense both refer to events that took place in the past.
Simple past or verbs perfect tense of verb
My ship came in it has come in
the ran the race They have run it often
she sang a song