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1 # 南梔禦寒1
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2 # 使用者5435842789945
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一、實義動詞，有具體的詞彙意義，表示主語發出的動作或所處的狀態。在陳述句中，實義動詞可以單獨作謂語。實義動詞加表語（主補）、賓語或狀語構成謂語部分。
She is an English teacher and she works hard. (單詞動詞作謂語)
He enjoys swimming and gave us a performance last Sunday. (單詞動詞作謂語)
Mr Smith has been teaching in a middle school for 30 years. (加助動詞作謂語)
（二）情態助動詞具有不同的情態意義。（will會，將, would會，將; shall將, should應該; can可能，也許, could可能; may也許, might可能; muts必須，一定, have / had to不得不; used to過去常常, need需要, dare敢, ought to應該;...）
如：I haven't received his letter for a whole month. (加haven't構成完成時態)
Something must be done to make the rivers clean.
Must做實義動詞是必須的意思，而做情態動詞只是一個助詞，沒有實際的意義。