Sinn Féin leader Mary Lou McDonald has said the Dáil is "in cold storage" with no committees operating four months after the election and with only ten sitting days left to the Easter recess.
Ms McDonald said the Government's goal is to "protect" Independent TD Michael Lowry and "his underlings".
Aontú leader Peadar Tóibín, meanwhile, said it is 110 days since the election but the Dáil has only sat for 17 days, meaning it has been off 85% of the time.
He asked to make an amendment to the Government's order of business that the Dáil sit an extra day this week and next.
Labour Party leader Ivana Bacik said that the Government is delaying the formation of committees, not the Opposition.
Taoiseach Micheál Martin responded saying "we want to establish committees".
He rejected claims that they are "holding that up".
He asked Opposition TDs to agree and not get in the way of this, and said that plenary measures would be used if needed.
All whips have agreed to the Dail calendar, he added.
Mr Martin added that the Government was formed in a "much shorter" time than in 2020 or in many other EU states.
SF deputy asks 'where are these amendments?'
Separately, Sinn Féin's Chief Whip Pádraig Mac Lochlainn said Ireland has a "do nothing Dáil" which has no Oireachtas committees up and running yet.
He described the situation as a "farce" and said it was solely down to the Government seeking to facilitate Independent TD Michael Lowry securing speaking time.
Deputy Mac Lochlainn said people can "see through" what the coalition is doing and it has been three weeks since the Government said it was changing standing orders.
"Where are these amendments?" he asked, adding that the people of Ireland need Oireachtas committees to be sitting.
Labour Party Whip Duncan Smith said the disagreement over speaking rights could see the establishment of committees delayed until after Easter, meaning key issues like the Arts Council row are not being examined.
Speaking from the Dáil Plinth, Deputy Smith blamed the Government for this "ridiculous position" and said opposition parties remain committed to finding a solution.
However, he said that with little progress being made and with just ten Dáil sitting days until the Easter break, he believes committees are unlikely to be formed until after Easter - almost five months after the general election.
He said there is "no excuse" and the "hold-up is squarely with Government".
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