Hiccup was running when....-> Toothless was sneezing / Toothless sneezed
Toothless sneezed
Toothless WAS EATING WHILE Hiccup.... -> was reading/read
WAS READING
Toothless WAS LYING WHILE....-> Hiccup was lying /Hiccup lied
Hiccup WAS LYING.
Astrid WAS FLYING WHILE .... -> Hiccup flew / Hiccup was flying
Hiccup WAS FLYING
Ruffnut WAS DANCING WHILE.. -> Tuffnut danced too / Tuffnut was dancing too
Tuffnut WAS DANCING too.
Hiccup was sitting near the lake when... -> his father said goodbye / his father was saying goodbye
His father said goodbye