Appendix:Old Irish class A III present verbs

Old Irish class A III verbs (McCone's hiatus verbs H1, H2, and H3) have a present stem that ends in a vowel; they are derived from Proto-Celtic verbs whose present stems ends in s, w, or y.

Absolute forms are not widely attested in this class; many of the forms given below are hypothetical.

See Category:Old Irish class A III present verbs for a list of verbs belonging to this class.

a-verbs
McCone's class H1 comprises hiatus verbs whose stem ends in a or á. A sample verb for this class is, but as that verb is not widely attested, provides a large complement of present conjunct forms. The endings are as follows:

i-verbs
McCone's class H2 comprises hiatus verbs whose stem ends in i or í. A sample verb for this class is, whose conjunct forms are attested especially well in. This subclass has a tendency to take on their own unique subjunctive formation, the e-subjunctive.

The endings are as follows:

Other hiatus verbs
McCone's class H3 comprises hiatus verbs whose stem ends in other vowels. Sample verb for this class include, , and , as well as conjunct forms from , , and. The endings are as follows:

Deponent endings
Apparently only class H3 deponent verbs are attested. Sample verbs for this class are and. The endings are as follows: