Question

Sita and Geeta Singh a song change it into past continuous tense(negative),(Interrogating)

Answer 1

Answer:

Negative -Sita and Geeta were not singing

Explanation:

Subject+was/were+verbingform+obj

Answer 2

Answer:

Sita and Geeta were not singing a song

Were Sita and Geeta singing a song?

Explanation:

In past continuous tense

for Negative the rule is :-

sub+was/were +not+1st form of verb+ing +object

for Interrogative the rule is:-

was/were+sub+1st form of verb +ing+object

(sita and geeta will take 'were' as a helping verb)