[molpro-user] How to generate modified virtual orbitals (MVOs)

[zhendong zhao]

Hi Molpro users,
I just began learning molpro. I always have some newbie problems. 
Currently I want  generating modified virtual orbitals (MVOs), which
will give more valence-like LUMOs, and it is easier for me to select MOs
for CAS calculations. Is it possible in MOLPRO? If possible, could you
attach an example input file?
Thanks in advance,

ZZ