A. She will not sing.
B. She does not sing.
C. She did not sing.
D. She will not be singing.
Answer: She will not sing.
A. She will not sing.
B. She does not sing.
C. She did not sing.
D. She will not be singing.
Answer: She will not sing.
Additional Information: In the simple future tense, the negative form is created by adding 'not' after 'will.'