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★own
① vt. 拥有
I own over a thousand books.
② vt. &vi. 承认
He owned (that) he had made a mistake.
③ adj. 自己的
He has a car of his own.
He lives in his own house.
This has not been easy because I own over a thousand books.
但这并不容易, 因为我有1,000多本书.
I lost my way in the forest, and to make matters worse, it became dark.
so I have temporarily put my books on the floor.
所以我暂时把书放在了地板上.
At the moment, they cover every inch of floor space
这会儿, 书把地板的每一点空隙都占据了,
'This is the prettiest carpet I have ever seen,' she said.
“这是我见过的最漂亮的地毯,” 她说。
现在完成时， 现在完成进行时
现在完成时：have done，表示已完成的动作
现在完成进行时：have been doing，强调动作在某一段时间内一直在进行。到现在为止，该动作可能已不再继续进行，也可能还在继续进行，这要根据上下文来确定。
句子中常含有all+表示时间的词语如all day，all morning等或for和since。
I have read the book. 书已看完
I have been reading the book. 还没看完, 还要继续
