 Okay, let's analyse two verb forms and let's start with said, whose base form is of course say, and that's a verb. And to this verb we add the verbal affix ED, so the whole word remains a verb. And the morphological process is involved? Well, as I said, say is the base form, and the attachment of ED is a case of inflection. And as far as the morphological operations are concerned, we have a case of affixation. In looking at the phonological code, however, we can observe a base change in say, where the vowel changes from a to simple a. Thus we have two operations at work here. Affixation plus base change. Head is a similar case. The base form is half, which is a verb, to which the verbal affix ED is added. Again, a base form plus a process of inflection. And the operation involved is affixation. However, the examination of the phonological properties tells us that we have a base change, the loss of the final consonant, which is a labial dental fricative. So here we have a combination of affixation with a consonantal base change.