Would Have Had to Have Had

[sullycampuzano]

Hi,

Can you tell me what tense "Would have had to have had written, for example is? Also, how is it formed? What is the pattern, and when is it used?

 

[emsr2d2]

Can you tell me what tense "would have had to have had written", for example is?

Please give us the complete sentence in which you found those words, and tell us where you found it and who wrote it. If you made it up yourself, please write a complete sentence containing it.