I work for a large organisation. We have a very varied shift pattern which is a mix of early starts, day shifts, evening shifts and some sleepover shifts. A colleague unofficially requested 2 weekends off a month which was granted, a former colleague also unofficially requested 2 weekends off a month which was also granted. This left myself and another colleague to cover the shifts leftover. This rota I have not been allocated a full weekend off and have worked 3 full weekends in a row. I sent an email about this which was ignored. We have just been sent our most recent rota and I have realised that I do not have a weekend off until the last week meaning that I will not have had a weekend off for 8 weeks. I have requested that this be changed and have brought this topic up in meetings several times over the last few months. I constantly feel like I am getting the short end of the straw. Apart from this I have a good working relationship with my Line Manager, who has covered some shifts which she was not required to herself and am reluctant to threaten to make a formal complaint. But this is having a serious impact on my work/home life balance. Suggestions please.