During the Old English period, the third class was significantly reduced; only four verbs belonged to this group: habban 'have', libban 'live', secgan 'say', and hycgan 'think'.
在古英语时期，第三类弱变化动词数量大量衰减，仅有4个动词属于此类：habban 'have', libban 'live', secgan 'say', and hycgan 'think'。