短語詞組短語verb compound tense 動詞復(fù)合時態(tài)verb future tense 動詞將來時Verb past tense changes rules 動詞過去式變化規(guī)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)復(fù)習(xí)Wrong verb tense 時態(tài)錯誤inconsistent verb tense 前后動詞時態(tài)不一致Revise the verb tense 復(fù)習(xí)動詞時態(tài) 返回 verb tense