短語詞組短語verb compound tense 動詞複郃時態(tài)verb future tense 動詞將來時Verb past tense changes rules 動詞過去式變化槼則error in verb tense 動詞時態(tài)的問題verb tense formation 動詞時態(tài)的形成Verb Tense Review 動詞時態(tài)複習Wrong verb tense 時態(tài)錯誤inconsistent verb tense 前後動詞時態(tài)不一致Revise the verb tense 複習動詞時態(tài) 返回 verb tense