Hi Polly,
1) Do you think life is easy?
=인생이 쉽다고 생각하니?
1-1) Did you think life would be easy?
=인생이 쉬울거라고 생각했니?
1-2) Did you expect life would be easy?
=인생이 쉬울거라고 기대했니?
2) Do you think this (e.g. credit card) will solve all your problems?
=이게(신용카드) 네 모든 문제를 해결해 줄거라고 생각하니?
Hope it helps,