Not a single national Republican figure has come forward to promote his cause.
But no single figure now will be able to do the same.
A single figure was moving, trying to drag itself away.
There is no single American figure to compare him with.
Until a very short time ago, he was the single most powerful political figure on the planet.
A single human figure in such company might seem irrelevant.
In two years it could well be down to single figures.
It was changed by a single figure of a man.
And the number for March had gone down to single figures.
Wörterbuch für Mathematik