Помогите понять задание по англискому

Помогите понять задание по англискомуЗадание звучит так: Для каждого вопроса, закончите второе второе предложение так, чтобы это означало то же самое как первое, используя не больше, чем три слова.
Вот пример: Steve left before my arrival.
When I arrived. Steve had already left.
Задания:
a) Do you need any help with your suitcase?
Shall…………you with your suitcase?
b) What’s your usual time of arrival at school?
c) Alice started playing tennis six months ago.
Alice………………….tennis for six months.
d) I’ll wait here until stops raining.
When it stops raining…………………leave.
e) In the middle of my meal, the phone rang.
While I………………….my meal the phone rang.
f) Jack has come to stay for the weekend.
Jack……………….with me for the weekend.
g) I last saw David in 1990.
I……………. David since 1990.
h) Are you free tomorrow evening?
Are…………………anything tomorrow evening?