The phrase "are various groups of" is correct and usable in written English.
It can be used when discussing different categories or types of entities within a larger context.
Example: "In the study of social dynamics, there are various groups of individuals that exhibit unique behaviors and interactions."
Alternatives: "consist of different groups of" or "include several groups of".
There are various groups of armed guards near the mouth of the tunnel now: private Eurotunnel security guards, the French riot police and officers from the local gendarmerie.
"I know, of course, that there are various groups of prominent fans who have been working hard for a long time to bring change to the club and they can rest assured that, if my proposal is accepted, I am committed to building a strong partnership with fans and key stakeholders to do what is best for the club.
Sarver, who was alerted to the situation at Ibrox by the former Rangers defender Davie Robertson, added: "I know, of course, that there are various groups of prominent fans who have been working hard for a long time to bring change to the club and they can rest assured that I am committed to building a strong partnership with fans and key stakeholders to do what is best for the club.
"I know, of course, that there are various groups of prominent fans who have been working hard for a long time to bring change to the club and they can rest assured that I am committed to building a strong partnership with fans and key stakeholders to do what is best for the club.
In fact, there are various groups of E3 enzymes according to their quaternary structure, their specific domain arrangements and the way in which they interact with E2 and the target protein.
New Mexico's first inhabitants were various groups of Native Americans who farmed and hunted on the land for at least 10,000 years before European explorers appeared.
The first three genes were chosen because they are polymorphic among various groups of the Cryptococcus species complex [3], [9], [10], [17].
Inducible defences, which are found among various groups of organisms, can evolve when there is spatial or temporal heterogeneity in predation risk [e.g. [ 1, 2]].
Further studies are needed in order to explore how different masculinities with various acceptance of violence are represented among various groups of men in Indonesia.
The CSE has been constructed and will be adopted by various groups of stakeholders of English language education.
Other secondary endosymbionts, including Rickettsia, Spiroplasma and Cardinium have been found in various groups of arthropods and they are also characterized by vertical transmission and reproductive manipulation [ 1].
