Present "back" | I | back | |
Present Continuous "back" | I | am backing | |
Simple past "back" | I | backed | |
Past Continuous "back" | I | was backing | |
Present perfect "back" | I | have backed | |
Present perfect continuous "back" | I | have been backing | |
Past perfect "back" | I | had backed | |
Past perfect continuous "back" | I | had been backing | |
Future "back" | I | will back | |
Future continuous "back" | I | will be backing | |
Future perfect "back" | I | will have backed | |
Future perfect continuous "back" | I | will have been backing |