英语句子结构、成分分析To retrieve information about the database, you use a report. A report is a procedure that extracts information in the database, formats the information with text, and sends it to an output

英语句子结构、成分分析To retrieve information about the database, you use a report. A report is a procedure that extracts information in the database, formats the information with text, and sends it to an output
英语句子结构、成分分析
To retrieve information about the database, you use a report. A report is a procedure that extracts information in the database, formats the information with text, and sends it to an output device (usually in the printer).

英语句子结构、成分分析To retrieve information about the database, you use a report. A report is a procedure that extracts information in the database, formats the information with text, and sends it to an output
【To retrieve information about the database目的状语】,you use a report（主谓宾结构）.A report（主）is（系）a procedure（表）【that extracts（从句第一个谓语）information in the database,formats（从句第二个谓语）the information with text,and sends（从句第三个谓语）it to an output device (usually in the printer)定语从句】.
分析如上,一共两个句子,第一个句子是个简单句,前面是不定式构成的目的状语.第二个句子是复合句,主句为A report is a procedure,简单的主系表结构,其中a procedure是后面定语从句的先行词,【that extracts information in the database,formats the information with text,and sends it to an output device (usually in the printer).】这是定语从句,其中有三个并列的动宾结构作为谓语.

To retrieve information about the database作目的状语you use a report是主句。A report is a procedure 是另一个主句that extracts information in the database,formats the information with text, and ...

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To retrieve information about the database作目的状语you use a report是主句。A report is a procedure 是另一个主句that extracts information in the database,formats the information with text, and sends it to an output device (usually in the printer).三个并列动词短语是procedure 的定语

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这段话共有两个句子。
句子1：To retrieve information about the database，, you use a report.
该句是简单句。其中： To retrieve information about the database做目的状语；, you use a report. 的结构是：主语(you)-谓语(...

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这段话共有两个句子。
句子1：To retrieve information about the database，, you use a report.
该句是简单句。其中： To retrieve information about the database做目的状语；, you use a report. 的结构是：主语(you)-谓语(use)-宾语(report),即：S－V－O
句子2：A report is a procedure that extracts information in the database, formats the information with text, and sends it to an output device (usually in the printer).
该句是含有一个定语从句的复合句。
主句是：A report is a procedure。 其结构为：主语（A report)-谓语系动词(is)-表语(a procedure).
定语从句为：that extracts information in the database, formats the information with text, and sends it to an output device (usually in the printer). 修饰先行词procedure.
这个定语从句的结构为：主语（that）-并列谓语（extracts,formats and sends）- 宾语（information,the information,it,分别作extracts,formats and sends的宾语）。其中的 in the database，with text，to an output device (usually in the printer). 作状语

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