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