I have neither time nor patience to deal with you today.

You could be writing a book about how to get rid of this issue.

Why would be it wrong to have a word that has instead of ‘HAVE’?

I have neither time nor patience to deal with you today.

You could be writing a book about how to get rid of this issue.

Why would be it wrong to have a word that has instead of ‘HAVE’?

The fundamental word is key or token.

With the word key, I was referring to part of a machine component that is specially shaped to slot into, and lock with, the keyway of shaft.

What is a token like a coin and which goes through a slot?

The service was efficient and efficient.