Questions & Answers about Wszystkie dzieci biegają w parku.
Both mean all, but they must agree in gender with the noun:
- wszyscy – used with masculine personal plural (groups that include at least one male person treated as “men/boys”):
- Wszyscy chłopcy = All (the) boys
- wszystkie – used with:
Dzieci is grammatically neuter plural, so you must use wszystkie.
Dzieci is the plural form of dziecko (child).
- Singular: dziecko (child)
- Plural: dzieci (children)
It is:
- number: plural
- gender: neuter plural (grammatically)
- case in this sentence: nominative (subject of the verb)
So wszystkie dzieci = all (the) children as the subject.