| 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 |