(+) rock'n roll was very popular in 2020 (-) (?)

PAST TENSE

(+) Rock 'n' roll was very popular in 2020
(-) Rock 'n' roll was not very popular in 2020
(?) Was rock 'n' roll popular in 2020?

PAST TENSE

(+) Rock'n roll was very popular in 2020
(-) Rock'n roll was not very popular in 2020
(?) Was rock'n roll very popular in 2020?

Terjemah =
(+) Rock'n roll sangat populer di 2020
(-) Rock'n roll tidak sangat populer di 2020
(?) Apakah rock'n roll sangat populer di 2020?

PATTERN
(+) S + was/were + Adj/Adv
(-) S + was/were + not + Adj/Adv
(?) Was/were + S + Adj/Adv + ?

(+) = Positive
(-) = Negative
(?) = Interrogative
S = Subject
Adj = Adjective
Adv = Adverb

Semoga bermanfaat \^_^/