[Is usually more often than frequently; or how often is sometimes?].
Eekhof
J A
JA
Samenwerkingsverband Interfacultair Overleg Huisartsgeneeskunde, Utrecht.
Mol
S S
SS
Pielage
J C
JC
D003142:Communication; D006801:Humans; D012660:Semantics
Is doorgaans vaker dan dikwijls; of hoe vaak is soms?