Why he has done it is a mystery.

Why you have done this? =  Why have you done this?

will have finished

Will have the Moon been seen by you?

will, go

Witch= Wizard

with

Without Studying well you cannot be successful - If you do not study well, you will not get good marks in the exam.

would have run

Would that I could go there.

would type

Would you mind closing the door

would, forgot

Wove, Spat

Yesterday he went home.