毎(まい)月(つき) maitsuki一(いっ)回(かい) ikkai会(かい)合(ごう) kaigouを o開(ひら)い()て()い()る() hiraiteiru。 We hold a meeting once a month. Literal Every-month one-time meeting [object-を] are-holding. 一回 ('once') uses the counter 回. 会合を開く ('hold a meeting') uses 開く in its sense of 'to open/hold an event.' ~ている marks the ongoing habitual practice. workbusiness~ている (ongoing state)~回 (counter for occurrences)
毎(まい)月(つき) maitsuki一(いっ)回(かい) ikkai会(かい)合(ごう) kaigouを o開(ひら)い()て()い()る() hiraiteiru。 We hold a meeting once a month. Literal Every-month one-time meeting [object-を] are-holding. 一回 ('once') uses the counter 回. 会合を開く ('hold a meeting') uses 開く in its sense of 'to open/hold an event.' ~ている marks the ongoing habitual practice. workbusiness~ている (ongoing state)~回 (counter for occurrences)