同根派生 modal auxiliary相關詞英漢例句They also have the knowledge that English modal verbs should be placed on the left of the negator and at the beginning of the interrogatives.這說明受試具有英語定式句中題元動詞不能顯性提升而情態(tài)助動詞必須顯性提升的句法知識。modal auxiliary更多例句