bonjour j'aurais besoin d'aide pour cette exercice s'il vous plaît ,merci beaucoup.

Le prétérit en be+BV-ing avec as et while

Conjugue les verbes au prétérit en be + BV-ing ou au prétérit simple.

a. As we... (buy) tickets with my parents, the rain ... (start).

b. While Mum ... (look) for her umbrella, my little brother ...(begin) to cry because he ... (be) hungry and Mum ... (want-not) to buy him sweets.

c. Then the rain suddenly ... (stop) and we ... ... (go) to the first attraction.

d. While we ... (wait), a huge Voldemort... (appear) and ... (scare) us to death!

e. We ... (have) a fantastic weekend but my parents ... (be) exhausted. Dad almost ... (fall) asleep in the car!​