in my opinion在句子中放前还是后

都可以吧~

如：

In my opinion, what he said is not true at all.

依我看来，他说的一点也不真实。

She looks anaemic in my opinion.

我看她像有贫血症。

In my opinion he is not right.

据我看来，他是错的。

Such a plan, in my opinion, is without a doubt impractical.

照我看来，这样一个计划无疑是行不通的。

In my opinion, every coin has two faces.

依照我的观点，每个硬币都有两面。

（不过In my opinion一般放在前面较多。）。