Last one is more likely to be Arum maculatum.

First one might be Ipheion but if so it would be flowering now. Tricky one ...

Thank you Owdboggy and Sheila, appreciate your feedback 👍

how about bluebells for the first two, probably Spanish ones.
ask her if they smell of anything ie onions if she crushes one.
I agree the last looks like and Arum, possibly the native lords and ladies.

Never seen slugs eat Arum but you never know... I thought possibly Spanish bluebells for the top one - if so it will only be a few weeks until flower buds show.

Could the first two be three-cornered leeks. Smell garlicky and produce beautiful white flowers. Prolific here in Devon but I don't know about anywhere else. Takes over if allowed to seed.

Thank you Eileen, Sue and Merlin for all of your great feedback! I’ve fed back to my friend, it’ll be interesting to hear what she comes back with!