Verb conjugation of "sprofondare" in Italian

What is the next big crisis in the world. No one knows, but experts believe that it will be weather and water related. There is a growing number of arid areas around the globe and many people are living in those areas.
If I look at dictionaries they do not give long sentences, only specific words and their meaning when they are used in a compounded form, which by the way can mean something totally different than when used by themselves.
What problems did you have when you had to share your flat with your mates? Probably you were not used to it. We say that when we live close we usually discover many issues that were not known.