Strong Verb, Class 7,
There are several ablaut series in this class (also known as reduplicating verbs). The inf. and past ptc. stem vowels are ordinarily the same (excluding contracted forms, e.g., onfon), as are pret. singular and pret. plural stem vowels (with e or eo, io).
Examples (inf., pret., pret. plural, past ptc.):
hatan, het, heton, haten; variant heht in pret. sing. common for both scribes.
lætan, let, leton, (ge)læten;
ondrædan, ondred, ondredon, ondræden;
onfon, onfeng, onfengon, onfangen;
healdan, heold, heoldon, (ge)healden; variant hiold also occurs for the pret. singular;
wealdan, weold, weoldon, (ge)wealden;
gangan, geong, geongon, (ge)gangen; variants include inf. gongan and pret. singular giong, gang;
weallan, weoll, weollon, (ge)wellen; Scribe 1 uses weol for the pret. singular; Scribe 2 uses weoll (also weall one time).