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没有上下文,不能确定时态,现在时话是I find Mr.Jack sitting and reading under the tree.
如果是过去时I found Mr.Jack sitting and reading under the tree.
这里应该是考find 的用法吧
find sb do sth是发现某人做某事的全过程.= sb be found to do sth
find sb doing sth是发现某人正在做某事,强调正在进行之中.
没有上下文,不能确定时态,现在时话是I find Mr.Jack sitting and reading under the tree.
如果是过去时I found Mr.Jack sitting and reading under the tree.
这里应该是考find 的用法吧
find sb do sth是发现某人做某事的全过程.= sb be found to do sth
find sb doing sth是发现某人正在做某事,强调正在进行之中.