2. A considerable number of Verbs have their Infinitive like the Root; as,
| Caoidh, lament. | Ol, drink. |
| Dearmad, neglect. | Ruith, run. |
| Fàs, grow. | Snamh, swim. |
| Gairm, call. | Sniomh, twine. |
| Meas, estimate. |
3. Polysyllables in ch, whose characteristic Vowel is small, either throw it away, or convert it into a broad Vowel and add adh; as,
| Ceannaich, buy, | Ceannachadh. |
| Smuainich, think, | Smuaineachadh. |
Most Monosyllables in sg, and a few others, follow the same Rule; as,
| Imper. | Infin. | Imper. | Infin. |
| Coisg, check, | Cosgadh. | Naisg, bind, | Nasgadh. |
| Fàisg, wring, | Fàsgadh. | Paisg, wrap, | Pasgadh. |
| Loisg, burn, | Losgadh. | Blais, taste, | Blasadh. |
| Luaisg, rock, | Luasgadh. | Buail, strike, | Bualadh. |
4. Many Verbs, whose characteristic Vowel is small, either throw it away, or convert it into a broad Vowel, without adding adh; as,
| Imper. | Infin. | Imper. | Infin. |
| Amhairc, look, | Amharc. | Iomain, drive, | Ioman. |
| Amais, reach, | Amas. | Leighis, cure, | Leigheas. |
| Caill, lose, | Call. | Sguir, cease, | Sgur. |
| Ceangail, bind, | Ceangal. | Siubhail, travel, | Siubhal. |
| Cuir, put, | Cur. | Tachrais, wind, | Tachras. |
| Coimhid, keep, | Coimhead. | Tiondaidh, turn, | Tiondadh. |
| Fulaing, suffer, | Fulang. | Toirmisg, forbid, | Toirmeasg. |
| Fuirich, stay, | Fuireach. | Toinail, gather, | Toinal. |
| Guil, weep, | Gul. | Tionsgail, contrive, | Tionsgal. |
5. The following Verbs in air add t to the Root:—