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 | |