Question

Rewrite the sentences to negative and interrogative forms:
a.He finished his work an hour ago.
N-
I-
B. The children were studying before dinner.
N-
I-
C.They had to learn a lot of thing.
N-
I-
D.He saw a lot of misery in afghanistan.
N-
I-

Answer 1

a)N- he didn't finish his work an hour ago
   I- Did he finished his work an hour ago?
b)N- The children weren't studying before dinner
   I- Were the childrens studying before dinner?
c)N- They hadn't to learn a lot of things
   I- Did they have to learn a lot of things?
d)N- He didn't see a lot of misery in Afeghanistan
   I- Did he see a lot of misery in Afeghanistan?
^^

Answer 2

He didn't finish his homework an our ago.
Did he finish his homework an our ago?

The children weren't studying before dinner.
Were the children studying before dinner?

He didn't see a lot of misery in afghanistan.
Did he see a lot of misery in afghanistan?