sandra sing a sad song ubajlah kedalam simple pas tense dan presen perfect pas tense tolong bntu jwab ya

Past tense:sandra sang a sad song
present perfect:sandra has sung a sad song

Simple pas tense
(+) Sandra sang a sad song
(-) Sandra didn't sing a sad song
(?) Did Sandra sing a sad song


present perfect tense
(+) Sandra has sung a sad song
(-) Sandra hasn't sung a sad song
(?) Has sandra sung a sad song


semoga membantu##