The past particle/clitic bin~=in generally immediately precedes the main verb, but temporal and aspectual markers and other elements such as stil~til 'still' can intervene.
Source: Sandefur and Sandefur 1982: 61
Source: Sandefur and Sandefur 1982: 63
Source: Angelo et al. 1998
Source: Sandefur and Sandefur 1982: 61
Source: Angelo et al. 1998
Source: Sandefur and Sandefur 1982: 65
Source: Hudson 1985: 157
Source: Angelo et al. 1998