root word: sabáy (simultaneous, concurrent)
sumabay
to accompany
to accompany
Sumabay tayo kay Pedro papuntang Maynila.
Let us go with Peter towards Manila.
sumasabay
to do at the same time
Sumasabay ako ‘pag kumakanta sila.
I go along when they’re singing.
= I sing along.
sasabay
will do at the same time
Sasabay ako mamaya.
I will go along later.
I will come along later
past-tense usage
sumabay
did something at the same time
Sumabay ako sa kanila.
I went together with them.
Sumabay ako sa kanilang pagtakbo.
I ran with them at the same time.
I accompanied them in their running.
KAHULUGAN SA TAGALOG
sabáy: nagkakatugma sa isang takdang panahon