such as后面的动词是不是要加ing

　　such as的用法

　　1、Trees such as spruce, pine and oak have been planted.

　　种植了云杉、松树和橡树等树木。

　　2、There are also unpleasant brain effects such as anxiety and neurotic behaviour.

　　也会对大脑产生不良影响，如焦虑和神经质的行为。

　　3、She was involved in many New Age activities such as yoga and healing.

　　她参加了很多“新时代”活动，如瑜伽和康复法。

　　4、Scientific inventions such as these have raised labour productivity by a big margin.

　　诸如此类的科学发明，都大大提高了劳动生产率。

　　5、Similar customs were known in widely divergent cultures such as Ancient Egypt and Scandinavia.

　　在大不相同的文化中有一些相似的习俗，比如古埃及和斯堪的纳维亚之间。