Respuesta:
1 went
2 saw
3 Did
4 work
5 Were
6 were
7 Did
8 didn't
9 studied
10 did
Explicación:
El pasado simple negativo se construye con el Verbo principal en pasado
El pasado simple interrogativo:
Yes - no questions
Did + sujeto + verbo en presente + complemento?
Wh - questions:
WH + did + verbo en presente + compl?
Las negativas
Sujeto + didn't + verbo en presente + complemento
Las oraciones con Verbo to be WAS O WERE
Se construyen con el mismo verbo to be
