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能想起的只有一般現在時在感官系動詞後時表示整個過程、進行時表示動作在某個瞬間進行過、比如see sb do sth表示經常見到或者某次看到整個過程、see sb doing sth表示看到某個瞬間做某件事.這是兩者區分的考點.
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