Verb (base TA) + bakari desu - to just 'verb'
First putting some verbs into base TA like -
iku --> itta
dasu --> dashita
suru --> shita
kuru --> kita
umu --> unda
deru --> detta
tatsu --> tatta
abiru --> abita
suwaru --> suwatta
umareru --> umareta
etc.
then adding the polite sentence ending desu to bakari (just)
verb (base TA) + bakari desu - to just 'verb"
ex.1 suwatta bakari desu. I just sat down
ex.2 deta bakari da! He just left.
ex.3. umareta bakari desu. He (It) was just born.
As Always,
Ganbatte Ne!
Do Your Best!
Makurasuki