(+)did homework at home yesterday

(-)did not do homework at home yesterday

(?)did I do homework at home yesterday

2.passive

(+) the building was built in 1818

(-) the building was not built in 1818

(?) was the building built in 1818

3.passive

(+) the baby was born in 2016

(-) the baby was not bron in 2016

(?) Was the baby born in 2016

4.active

(+) she/he reported the event

(-) she/he did not reported the event

(?) Did she/he repor the event