I have a question about the abstract pattern "[verb1] to [verb2]" here:
The slaying of Hugo Pinell, 71, triggered a riot Wednesday that grew to involve about 70 inmates at a maximum security prison east of Sacramento, said California Department of Corrections and Rehabilitation spokeswoman Dana Simas.
I am confused about "grew to involve about 70 inmates". Take another example:
He jumped to look over the fence.
In the second example, the act of jumping was done to perform the looking over the fence. So, according to abstract pattern "[verb1] to [verb2]", [verb1] was done to do [verb2].
But in the first example "riot that grew to involve 70 inmates", the fire growing ([verb1]) was not done to do the involving ([verb2]). It is more like, [verb1] happened, then [verb2] followed.
It seems that the "*[verb1] to [verb2]" pattern has two different interpretations. Am I wrong?