Firstly, he suggested the European Union has given up on the idea of a second referendum, saying "the facts are unmistakable" that "there is no political force and no effective leadership for remain".
Communities Secretary James Brokenshire said: "I think that gives that sense of timetable, clarity and objective on what we are doing with the European Union - taking that work forward and our determination to get a deal - but equally knowing that role that Parliament very firmly has".
Mrs May has so far been met by a wall of resistance from Brussels, which insists the Withdrawal Agreement will not be reopened.
Astute spectators of the "hellgate" chapter in the Brexit saga will see through the howling red-top hysteria and espy the olive branch in the rough.
Mr Corbyn said that without an election "we will keep all options on the table - as agreed in our conference motion - including the option of a public vote".
The PM is facing another round of crunch Brexit votes in the Commons on Valentine's Day - with Remainer and Eurosceptic opponents again seeking to bind her hands.
It comes as shadow Brexit Secretary Keir Starmer told The Sunday Times that Labour already plans to force another vote on the deal, accusing Mrs May of "running down the clock" and only offering MPs a "binary choice".
'You would have a hard border, very hard border. "A no-deal Brexit means a really hard border between north and south in Ireland, it's contrary to the Good Friday Agreement and it will cause an enormous fissure within the United Kingdom".
"You can have a soft Brexit, which is really what Jeremy Corbyn is suggesting, or you can have the hard Brexit that Boris Johnson and Nigel Farage and other people want".
He said: "The argument just goes on, and by then you'll have left, you'll have paid your money up front, you'll have given up your negotiating leverage".
'And for the country to do that, as Theresa May wants to do - to leave without knowing what Brexit you get - this would be, in my view, an incredibly foolish thing for the country to do.
"It's this blinkered approach that's got us to where we are, with her never wanting to see where the real majority is in parliament".