Macron said the British government has "to explain to us what the point of it is, and in particular whether it adds anything".
At 8:00 p.m. on Wednesday, Dutch time, the House of Commons will vote on a no-deal Brexit.
But if MPs would not back a deal, there would have to be "a much longer extension", requiring the United Kingdom to take part in European Parliament elections in May, she said.
The government motion for Thursday's vote said that if MPs backed May's Brexit deal in a third vote before March 20 - the day before an European Union summit - then she will ask for a short extension to allow for the treaty to be ratified.
"The House has today provided a clear majority against leaving without a deal, " Mrs May, hoarse and exhausted, told parliament immediately after the vote.
A remaining amendment calls on the government to delay Brexit until May 22 to give it time to put in place measures to mitigate the consequences of leaving the European Union without a deal.
The uncertainty over Brexit looms once more in London critically than ever as the British Prime Minister Theresa May's "improved" deal was rejected by the House of Commons once again Tuesday.
Labour leader Jeremy Corbyn yet again blasted May for failing to find a "compromise solution" on Brexit, while lauding the efforts of his own party to do so.
Health minister Mr Hammond said the Government whips "asked me to vote against the motion, as amended, to reject no-deal" but "I could not do this as I regard no-deal as a disaster".
Indonesian Woman Suspected in Assassination of Kim Jong Un's Half-Brother Released
They were the only suspects in custody after four North Korean suspects fled the country on the morning Kim was killed. While Indonesia lobbied for Aisyah's release, Vietnam has been more reluctant to get involved in a red family feud.
May is planning to put her deal to at least one more House of Commons vote.
The people of Deal would like a Brexit deal.
Donald Tusk, the president of the European Council, says the bloc should be open to granting Britain a long delay to its departure.
In the staunchly pro-Brexit port of Dover in southern England, retiree Mary Simpson said she felt that her voice as a "leave" voter had not been heard.
"For now markets remain convinced that Parliament will act to rule out exiting with no deal - and tomorrow's vote is likely to confirm this assumption", said Ranko Berich, head of market analysis at Monex Europe.
One amendment seeks to rule out a second referendum while another is for a second referendum.
The PM had herself had proposed rejecting no deal, but the complex nature of her motion, which kept no deal on the table in the longer term for negotiating leverage, was rejected. "To do what?" EU chief negotiator Michel Barnier told the European Parliament in Strasbourg ahead of the vote in London.
"While an extension of article 50 is now inevitable, responsibility for that extension now relies exclusively and squarely at the Prime Minister's door".
"I think there needs to be a second referendum", countered Christine Bobin, 64.
British MPs on Wednesday voted overwhelmingly to reject an amendment which calls on the British government to pursue a managed no-deal Brexit on May 22.