Used to express surprise, shock or amazement.
Belonging to me.
Associated with me.
Related to me.
In the possession of me.
An exclamation used to express pleasant or unpleasant mild surprise, indignation, or impatience.
Reason.
For which cause, reason, or purpose.
The cause, reason, or purpose for which.
Introducing a noun or other phrase.
Introducing a verb phrase (bare infinitive clause).
Introducing a complete question.
With a negative, used rhetorically to make a suggestion.