Mind map and grammar

It is easy to talk about how good mind maps are because there are plenty of such books.

It is not that easy to integrate mind maps into English lessons.

Here is a good example of mind map for the present continuous tense.

結合腦圖和英語教學並不容易，以下是一個好例子：

http://groovymarketing.files.wordpress.com/2006/11/present-continuous.jpeg