展示
(Present) "back" | I | back | |
现在进行时
(Present Continuous) "back" | I | am backing | |
一般过去时
(Simple past) "back" | I | backed | |
过去进行时
(Past Continuous) "back" | I | was backing | |
现在完成
(Present perfect) "back" | I | have backed | |
现在完成进行时
(Present perfect continuous) "back" | I | have been backing | |
过去完成时
(Past perfect) "back" | I | had backed | |
过去完成时
(Past perfect continuous) "back" | I | had been backing | |
未来
(Future) "back" | I | will back | |
将来进行时
(Future continuous) "back" | I | will be backing | |
未来完美
(Future perfect) "back" | I | will have backed | |
未来持续完善
(Future perfect continuous) "back" | I | will have been backing | |