have和has在用于英语表达动词“有”的含义时，前者使用于第一人称、第二人称和各人称复数，has用于第三人称单数,同时它们也作为完成时态的助动词存在，其用法和做实义动词“有”的 …

have、has和had只是一个词的不同形式，都表示“拥有（表示一种状态）”的意思，但三个词在 时态和人称 的使用上具有区别。 2、用法： 如果是一般现在时，则用have和has，其中，当主语是 …

Have/Has been done 与Have/Has done 的区别主要在于二者的语态区别，其他并无太大差异。 具体分析如下: 1、have been done是现在完成时的被动语态，表达的状态是一种被动的，一般 …

To know whether this is a problem with the webpage or Chrome, try to open the page in another browser, like Firefox or Safari. If it works in another browser, try the steps below: Uninstall and …

If you forgot your password or username, or you can’t get verification codes, follow these steps to recover your Google Account. That way, you can use services like Gmail, Pho

When your account reaches its storage limit, you won't be able to upload or create files in Drive, send or receive emails in Gmail, or back up photos or videos to Google Photos. If you're over …

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She has a lot of pretty skirts. 她有很多漂亮的裙子。 There are a lot of pretty skirts in the shop. 商店里有很多漂亮的裙子。 3) have/ has的否定句,一般要加助动词do/ does,再加not构成,即do …

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This program has been 这个错误 求大神帮忙解决下该问题是因为软件程序被篡改导致的，通过重置以后能解决。 步骤如下：1、直接利用鼠标右键点击电脑的开始菜单按钮，并选择设置跳转。