Question

1-A Frase:" They had not eated a lot Na affirmative form fica:
a-( )They hadn't eat a lot
b-( They had eated a lot
C-( )Had they eat a lot
d-( )N.D.A
tivo form fica.​

Answer 1

hello! hope you're okay ;)

a frase They had not eated a lot  (eles não comeram muito) na afirmativa fica They had eated a lot (eles comeram muito).

Uma frase negativa tem a presença do 'not' logo após o 'had'. Já na frase afirmativa o 'not' não existe após o had.

good luck =)