"to be" is a very weird example because that's just the full infinitive of "be" which is definitely in dictionaries: https://www.merriam-webster.com/dictionary/

"to be" is a very weird example because that's just the full infinitive of "be" which is definitely in dictionaries: https://www.merriam-webster.com/dictionary/be https://www.merriam-webster.com/dictionary/be