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