Réponse :
1) Were you watching/arrived
were having/called
were you sleeping/arrived
met/were waiting
2) was smoking/knocked
were analyzing/took
thought/realized/had been
relaxed/tried
3) stole/was travelling
caught/took
escaped/ran away
was hiding/had
caught
Explications :
quand il y a -ing à la fin d'un verbe, ça correspond au français "en train de"
j'espère que ça t'a aidé.
bonne soirée !