There exist inflectional prefixes. For example, in Hunde (Dryer 2008), most inflectional affixes are prefixes. <br><br>[Need Example]

<br><br><b>Note:</b> Some languages have both inflectional prefixes and inflectional suffixes. These languages should be valued 'yes' for both properties. 
<br><br><b>Reference</b><br>
Dryer, Matthew S. 2008. Prefixing vs. Suffixing in Inflectional Morphology.
In Haspelmath et al. 2008, chapter 26.
Available online at <a href="http://wals.info/feature/26">http://wals.info/feature/26</a href>.