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