Present "pen" | I | pen | |
Present Continuous "pen" | I | am penning | |
Simple past "pen" | I | penned | |
Past Continuous "pen" | I | was penning | |
Present perfect "pen" | I | have penned | |
Present perfect continuous "pen" | I | have been penning | |
Past perfect "pen" | I | had penned | |
Past perfect continuous "pen" | I | had been penning | |
Future "pen" | I | will pen | |
Future continuous "pen" | I | will be penning | |
Future perfect "pen" | I | will have penned | |
Future perfect continuous "pen" | I | will have been penning |