for example放在所举的例子之前或之后都有可能。下面是一些相关的例句：
1. 放在所举例子之前：
Many animals，for example bats, hunt at nights. 很多动物，例如蝙蝠，在夜间觅食。
Large animals, for example elephants, are expensive to feed. 大型动物，例如象，饲养起来很费钱。
A lot of people here, for example John, prefer coffee. 这里许多人，譬如说约翰，都喜欢喝咖啡。
Many elderly people injure themselves in their own homes, for example by slipping in the bath. 许多年长者都是在自己家里受伤的，比如在浴室里滑倒。
We can use these forms to make an additional point, for example when developing an argument. 我们可以用这些形式来提出额外的观点，例如在进行论证时。
There are many differences. For example, we use a lot more soy sauce. 有很多不同点。比如我们用的酱油多得多。
The train I take is always late. For example, this morning it was half an hour late. 我乘的那辆火车总是晚点，例如今天早上，它又晚了半个小时。
Sometimes you go to bed earlier than usual, for example when you are too tired. 有时你会比平时睡得早，比如当你过于疲倦的时候。
You may have questions which you wish to raise. For instance, who will oversee your work and how will feedback be given? 你们可能有问题想要问，比如说，由谁监督你们的工作以及如何传达反馈意见呢？
2. 放在所举例子之后：
Wool, for example, has to be combed. 例如羊毛就得梳理。
Entomology, for example, studies insects. 例如昆虫学是研究昆虫的。
Butterflies, for example, go through a caterpillar stage. 例如蝴蝶就经过幼虫阶段。
He wants an expensive car, a Mercedes, for example. 他想要一辆昂贵的汽车，比如说，一辆奔驰车。
A lot of my friends were there—John and Linda, for example. 我的许多朋友都到了，比如约翰和琳达。
I know many women who have a career and a family—Alison for example. 我知道有许多妇女能事业家庭兼顾——艾莉森就是其中之一。
Many great men have risen from poverty—Lincoln and Edison, for example. 许多伟人由贫苦出身，例如林肯和爱迪生。
But sometimes, in questions for example, the object is at the beginning of the sentence and the preposition is left at the end. 有时比如在问句中，宾语在句首，介词在句尾。
The report is incomplete; it does not include sales in France, for example. 这份报告不完整，例如在法国的销售情况就没包括进去。
Living in such a beautiful old castle is something of a mixed blessing. Just think of the heating bills, for example. 居住在这座美丽的古城堡中既有利，也有弊。比如，想想它昂贵的取暖费用吧。
3. 用于take...for example
Take my case for example. 以我的情况为例。
Take my son’s education for example. 以我儿子的教育为例。
Take last year's record high temperatures, for example. 以去年的高温纪录为例。
Take me for example. I've never relied on other people for help. 就拿我来说，我从不依靠别人的帮助。
There’s confusion and resentment, and it’s almost never expressed out in the open. Take this office, for example. 有人迷惘，有人憎恨，可是几乎谁也没有公开表达过。就拿这个办公室的人来说吧。
It is possible to recover from some types of cancer. Take skin cancer, for example. 有些癌症是可以治愈的，比如皮肤癌。
A lot of women manage to bring up families and go out to work at the same time—take Angela, for example. 很多女子既能料理家务同时又外出工作——譬如安杰拉就是个例子。
