Laura decided to become a member of a voluntary organisation. She became more confident and resourceful.

Without Laura’s decision to become a member of a voluntary organisation, she wouldn’t have become more confident and resourceful.

Were Laura not to decide to become a member of a voluntary organisation, she wouldn’t become more confident and resourceful.

Only when Laura became more confident and resourceful did she decide to become a member of a voluntary organisation.

It was not until Laura became more confident and resourceful that she decided to become a member of a voluntary organisation.