verb ir with gerundio forms the expression for gradually.
Some of the expressions would also be translated with
to be beginning to.
with gerund for gradually
|Se iba poniendo pesado.
he became a nuisance. / He was beginning to
be a nuisance.
|Se va poniendo pesado.
Gradually he becomes a nuisance. / He is beginning
to be a nuisance.
|El dinero se nos iba agotando.
||Gradually we were running out of money. /
Gradually the money was used up.
The alternative would be to
say bit by bit
= poco a poco
a poco se nos agotaba el dinero.
||Bit by bit
we were running out of money. (exact translated:
Bit by bit the money was used up.)