The phrase "alone to deliver" is correct and usable in written English.
It can be used in contexts where someone is tasked with delivering something without assistance or support.
Example: "She felt the weight of the project on her shoulders, knowing she was alone to deliver the final presentation."
Alternatives: "solely responsible for delivering" or "on my own to deliver".
Bus drivers served their routes as usual yesterday to tell parents waiting with their children at bus stops that school was canceled, and to pick up any children waiting alone to deliver them to school, where officials called parents.
She's left alone to deliver a sad, beautiful speech in which she describes how she and her husband freeze their tears in the icebox and put them back into their drinks".
Mtega had a good debate with Claire Provost on water privatisation, saying: If market forces are left alone to deliver water, the rich get better services and prices go up.
U.P.S. alone expects to deliver more than 500 million packages, and with many of them being left on doorsteps, there could be ample opportunity for thieves to strike.
It is not a feeling that is likely to endure since the leaders of the Brexit campaign have little or no idea how to proceed, let alone how to deliver their numerous, irresponsible promises.
Pfizer alone expects to deliver 20 new drugs over the next five years.
Pizza Hut alone, expects to deliver two million pizzas on Super Bowl Sunday.
The housing crisis has already eaten into household wealth over the past four years, wiping out more than $11 trillion in wealth in 2008 alone, helping to deliver the first outright decline in consumer spending in a generation and bringing on the Great Recession.
Midway through the show, the emotional narrative shifts when this flamboyant star, alone onstage, pauses to deliver a short monologue.
Tommy alone stays behind to deliver a searing soliloquy on the fireman's burden that is beautifully written and utterly predictable.
Although reason alone may seem to deliver knowledge of some kinds of nonempirical truths e.g., of logic and mathematics—it does not seem to deliver the truths of morality, and there appears to be no other special faculty by which such truths may be detected.
