The weak forms are used:
(1) after the definite article:--_se aethela cyning_ (the noble king);
_thaes aethelan cyninges_, _thaet g[=o]de m[e,]regrot_, _th[=a] g[=o]dan
m[e,]regrotu_.
(2) after _this_:--_th[=a]s earman landl[=e]ode_ (these poor people,
_pl._); _thes h[=a]lga cyning_ (this holy king), _thisses h[=a]lgan
cyninges_.
(3) occasionally after other demonstrative and indefinite adjectives, and
often after possessive pronouns:--_th[=i]ne d[=i]eglan gold-hordas_ (thy
hidden treasures).
(4) in the vocative:--_th[=u] yfla th[=e]ow and sl[=a]wa!_ (thou bad and
slothful servant); _[=e]al[=a] th[=u] l[=e]ofa cyning!_ (oh, thou dear
king).
Note that _[=o]ther_ always keeps the strong form: _th[=a] [=o]thru
d[=e]or_ (the other wild beasts). So also do the possessive pronouns: {44}
_th[=a]s m[=i]n word_ (these my words). _[=A]n_ in the sense of 'one' keeps
the strong form to distinguish it from the weak _[=a]na_ = 'alone': _thaet
[=a]n d[=e]orwierthe m[e,]regrot_ (the one precious pearl).