1) Bom, todos os verbos apresentados são REGULARES, portanto basta adicionar no final da palavra IED, ED ou apenas D. Depende do caso.
try → tried
dance → danced
rain → rained
stay → stayed
watch → watched
die → died
Auxiliar do passado: DID
a) last nigh i watched tv
I didn't watch TV last night. (fica melhor nessa ordem).
Did I watch TV last night?
b) I really enjoyed my holiday last year
I really didn't enjoy my holiday last year.
Did I really enjoy my holiday last year?
c) the class started at 8 clock in the morning
The class didn't start at 8 o'clock in the morning.
Did the class start at 8 o'clock in the morning?
d) i called you last night.
I didn't call you last night.
Did I call you last night?
3-a) I used the internet yesterday.
b) I watched TV yesterday.
c) Jose didn't play soccer yesterday.