请教这里该如何嵌套html表格

请问这里该怎么嵌套html表格?
oh,请问这里该怎么嵌套表格啊,我弄2天了,我按照书上和教程的,但我做出来的和他的不一样,求帮忙,谢谢请教这里该如何嵌套html表格
引用
<html>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
    <title>网页标题ing</title>
    <body>
     <table border="1" width="800" bgcolor="#AEA6A6" align="center" bordercolor="#EF0F13" cellspacing="0" cellpadding="0" bordercolorlight="#1126CD" bordercolordark="#F4F318">
     <caption><h2>第一表格</h2></caption>
     <tr>
         <th>编号</th>
     <th>姓名</th>
         <th>年龄</th>
            <th>电子邮箱</th>
            <th>性别</th>
        </tr>
        <tr>
         <td width="50" height="40">1</td>
        <td width="90"  >张三</td>   
         <td width="70">20</td>
         <td width="150">123@qq.com</td>
            <td width="50">男</td>
        </tr>    
        <tr bgcolor="green" align="center">
         <td>2</td>
        <td>张三</td>   
         <td>20</td>
         <td>123@qq.com</td>
            <td>男</td>
        </tr> 
        <tr>
         <td>3</td>
        <td>张三</td>   
         <td>20</td>
         <td>123@qq.com</td>
            <td>男</td>
        </tr> 
        <tr>
         <td>4</td>
        <td rowspan="3" colspan="3">
            
            
            
            
            </td>   
         <td>男</td>   
        </tr> 
        <tr>
         <td>5</td>
        <td>男</td>   
        </tr> 
        <tr>
         <td>6</td>
        <td>男</td>   
        </tr> 
        <tr>
         <td>7</td>
        <td>张三</td>   
         <td>20</td>
         <td>123@qq.com</td>
            <td>男</td>
        </tr>   
    
    </body>    
</html>



----------------------------------------------这是我准备嵌套的表格--------------------------------------------------------------



引用
<table border="1" width="500" bgcolor="#AEA6A6" align="center" bordercolor="#EF0F13" cellspacing="0" cellpadding="0" bordercolorlight="#1126CD" bordercolordark="#F4F318">
     <caption><h2>第一表格</h2></caption>
     <tr>
         <th>编号</th>
     <th>姓名</th>
         <th>年龄</th>
            <th>电子邮箱</th>
            <th>性别</th>
        </tr>
        <tr>
         <td width="50" height="40">1</td>
        <td width="90"  >张三</td>   
         <td width="70">20</td>
         <td width="150">123@qq.com</td>
            <td width="50">男</td>
        </tr>    
        <tr bgcolor="green" align="center">
         <td>2</td>
        <td>张三</td>   
         <td>20</td>
         <td>123@qq.com</td>
            <td>男</td>
        </tr> 
        <tr>
         <td>3</td>
        <td>张三</td>   
         <td>20</td>
         <td>123@qq.com</td>
            <td>男</td>
        </tr> 














------解决思路----------------------
不太懂你意思啊,是这样吗?
<html>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
    <title>网页标题ing</title>
    <body>
     <table border="1" width="800" bgcolor="#AEA6A6" align="center" bordercolor="#EF0F13" cellspacing="0" cellpadding="0" bordercolorlight="#1126CD" bordercolordark="#F4F318">
     <caption><h2>第一表格</h2></caption>
     <tr>
         <th>编号</th>
     <th>姓名</th>
         <th>年龄</th>
            <th>电子邮箱</th>
            <th>性别</th>
        </tr>
        <tr>
         <td width="50" height="40">1</td>
        <td width="90"  >张三</td>   
         <td width="70">20</td>
         <td width="150">123@qq.com</td>
            <td width="50">男</td>
        </tr>    
        <tr bgcolor="green" align="center">
         <td>2</td>
        <td>张三</td>   
         <td>20</td>
         <td>123@qq.com</td>
            <td>男</td>
        </tr> 
        <tr>
         <td>3</td>
        <td>张三</td>   
         <td>20</td>
         <td>123@qq.com</td>
            <td>男</td>
        </tr> 
        <tr>
         <td>4</td>
        <td rowspan="3" colspan="3">
            
            <table border="1" width="500" bgcolor="#AEA6A6" align="center" bordercolor="#EF0F13" cellspacing="0" cellpadding="0" bordercolorlight="#1126CD" bordercolordark="#F4F318">
     <tr>
         <th>编号</th>
     <th>姓名</th>
         <th>年龄</th>
            <th>电子邮箱</th>
            <th>性别</th>
        </tr>
        <tr>
         <td width="50" height="40">1</td>
        <td width="90"  >张三</td>   
         <td width="70">20</td>
         <td width="150">123@qq.com</td>
            <td width="50">男</td>
        </tr>    
        <tr bgcolor="green" align="center">
         <td>2</td>
        <td>张三</td>   
         <td>20</td>
         <td>123@qq.com</td>
            <td>男</td>
        </tr> 
        <tr>
         <td>3</td>
        <td>张三</td>   
         <td>20</td>
         <td>123@qq.com</td>
            <td>男</td>
        </tr> </table>
            
            
            </td>   
         <td>男</td>   
        </tr> 
        <tr>
         <td>5</td>
        <td>男</td>   
        </tr> 
        <tr>
         <td>6</td>
        <td>男</td>   
        </tr> 
        <tr>
         <td>7</td>
        <td>张三</td>   
         <td>20</td>
         <td>123@qq.com</td>
            <td>男</td>
        </tr>   
    
    </body>    
</html>




------解决思路----------------------
引用:
Quote: 引用:

<table width="600" border="1" cellspacing="0" cellpadding="0">
  <tr>
    <td width="200">&nbsp;</td>
    <td width="200">&nbsp;</td>
    <td width="200">&nbsp;</td>
  </tr>
  <tr>
    <td>&nbsp;</td>
    <td><table frame="void" width="200" border="1" cellspacing="0" cellpadding="0">
      <tr>
        <td>&nbsp;</td>
        <td>&nbsp;</td>
        <td>&nbsp;</td>
      </tr>
      <tr>
        <td>&nbsp;</td>
        <td>&nbsp;</td>
        <td>&nbsp;</td>
      </tr>
      <tr>
        <td>&nbsp;</td>
        <td>&nbsp;</td>
        <td>&nbsp;</td>
      </tr>
    </table></td>
    <td>&nbsp;</td>
  </tr>
  <tr>
    <td>&nbsp;</td>
    <td>&nbsp;</td>
    <td>&nbsp;</td>
  </tr>
</table>


谢谢,我忘记发表格了,我晕请教这里该如何嵌套html表格



问题解决了吧!