Questions & Answers about Ilagay mo muna ang basura sa basurahan bago tayo kumain.
Yes:
Ilagay — put/place; here it is a command form
mo — you (singular), the doer of the action
muna — first / for now / before anything else
ang basura — the trash, the thing being acted on
sa basurahan — in/into the trash can
bago — before
tayo — we including the listener
kumain — eat
So the structure is basically:
[Put] [you] [first] [the trash] [in the trash can] [before] [we eat].