The phrase "are other groups of" is correct and usable in written English.
It can be used when discussing or referring to various categories or collections of entities or individuals within a larger context.
Example: "In addition to the main committee, there are other groups of volunteers working on different projects."
Alternatives: "there exist additional groups of" or "there are various groups of".
Chemicals and textiles are other groups of imported goods.
There are other groups of Jews in India, especially in Cochin and Calcutta, but the Bene Israel are the oldest and most mysterious.
There are other groups of refugees whose primary occupation for years has been waiting: either legal waiting in asylum-seekers' housing or illegal waiting in the makeshift shelters maintained by churches and private groups.
There are other groups of scientists looking at even shorter bouts of exercise, he says, "but it seems like they don't get the same results regarding the maximal oxygen uptake" as the four-minute sessions used in his experiment.
If the firemen are, as John Prescott, the deputy prime minister, has foolishly suggested, "an exceptional case" who should receive "a special offer", how much more deserving are other groups of public sector workers?
Warsaw's National Stadium As for what will happen during the Euro games, Polish ultras won't have to do too much about it, since "there are other groups of fans from Europe who will be fighting each other.
There may be other groups of children who are at particular risk from malaria and anaemia who could benefit from IPT.
Bridging nodes were also important in drawing in different cliques: that is, other groups of programs.
Besides HIROs, there are other groups where funders of research for health collaborate.
Partly because there are now other groups of would-be politicians who are running at the same blaze with flammable liquids in their buckets.
In addition, there are several other groups of WRKY genes that are found only in unicellular green algae.
