Download this lesson with audio scripts and exercises 下載本單元錄音文字稿和練習(xí)
其它頻率副詞never, always 或 sometimes 通常出現(xiàn)在動(dòng)詞前。像這樣: I always take the bus to work. 頻率副詞通常出現(xiàn)在 Be 動(dòng)詞后。像這樣: I am never late for work.
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