present ,past,past participle ,present partici

present ,past,past participle ,present partici Past participle 和 present participle 怎樣用? past tense,present tense,past participle present perfect;：indefinite past past continuous/present continuous/present perfect continuou 请问present/past perfect tense 跟present/past perf present simple,present continuous ,past simple ,past continu a present participle是什么意思 past participle是什么意思 英语翻译past simple；personal pronoun；present continuous；present 求 past | past perfect | present perfact 的分别 造句用 past simple and present perfect