the usual way of saying or writing ‘have', added to the end of ‘I', ‘you', ‘we', or ‘they' to form the present perfect tense. This is not often used in formal writing (单词have 的通常说法或写法,加在I, you, we 或they 之后构成现在完成时。这种形式不常用于正式书面语) We've been trying to reach you since yesterday. 我们从昨天以来就一直想与你取得联系。
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