Appendix:Old Irish a subjunctive verbs

The Old Irish a subjunctive, which is the most widespread and productive subjunctive conjugation, is found with both weak and strong verbs. The endings are almost exactly the same as in the class A I presents, with a few exceptions as indicated below.

See Category:Old Irish a subjunctive verbs for a list of verbs belonging to this class.

Nondeponent endings
A sample verb for this class is. In the present subjunctive, the endings are the same as in the A I present indicative except for the first- and second-person singular. The past subjunctive endings are identical to the imperfect indicative endings of class A I:

In class A II verbs, the endings are the same, but the final consonant of the root is slender (palatalized), which has an effect on the spelling. An example is :

In class B IV, the n of the present indicative stem is absent in the subjunctive, and the endings are added directly to the vowel that ends the root. In the case of vowel-initial endings, the two vowels merge in some cases. As this is a rather small class, many forms are unattested. An example is ; the forms marked with * below are not attested, but are likely to have been the forms.

Deponent endings
A sample verb for this class is. The endings are the same as in the class A I present indicative except for the first person singular forms of the present subjunctive:

Here too, the stem of A II verbs ends in a slender consonant, which affects the spelling: