· At the linguistics conference, there were no / not / non- native speakers of Esperanto. They're all grammatically "valid", but they all mean different things - and … · "Non-" is defined as "a prefix meaning 'not,' freely used as an English formative, usually with a simple negative force as implying mere negation or absence of something … · If you do put a non- in front of a compound adjective, you should use two hyphens (or more, if needed): in your example, it should be non-finitely-generated groups. But should … Holiday plans should be abandoned, the prime minister said. People should stay at home. But the definition of non-essential is dependent on individual circumstance, and the government has …
