跪求英语达人详细英语句子结构分析

1.句子的骨干成分是属于“主语+谓语+宾语从句”的结构形式
主语：Computer criminals
谓语：need to know
宾语（从句）：that justice will be swift,certain and severe
定语(从句)：who are intent on planting viruses such as WORM，修饰主语Computer criminals 。

2.句子的骨干成分属于“主语+系动词+表语”的结构形式。
主语：discouraging people from engaging in such conduct
系动词：is
表语：the most effective method of prevention
状语：Because of the ease of writing and distributing destructive viruses

3. 句子的骨干成分属于“主语+谓语+宾语”的结构形式。
主语：Attacks
谓语：demonstrate
宾语：the need
定语：to formulate tough laws regarding computer crime，修饰宾语 the need。

祝你进步！

Computer criminals（主语） who are intent on planting viruses such as WORM（定语从句） need （谓语动词）to know that justice will be swift,certain and severe.（宾语从句）

2.Because of the ease of writing and distributing destructive viruses,（介词短语做状语） discouraging people （主语）from engaging in such conduct （主语的后置定语）is the most effective method of prevention.（系表结构）
3.Attacks（主语） such as Melissa （主语的后置定语）demonstrate（谓语动词） the need （宾语）to formulate tough laws regarding computer crime.（不定式做后置定语）

初级的