The alternative.
being
Vertigo attack is a reason for being late. It begins with v.
Helping a neighbor is a reason for being late. Husband is ill would be a reason for being late.
The alternative.
Reason for being.
reason for being
Cramps are a reason for being late. They begin with the letter c.
This phenomenon can be explained by the combination of factors such as X, Y, and Z. X being one reason, Y being another reason, and Z being the final reason. These factors interact in a way that produces the observed phenomenon.
being nice to him and loving him
Main reason: the child is being legally adopted by another responsible adult.Main reason: the child is being legally adopted by another responsible adult.Main reason: the child is being legally adopted by another responsible adult.Main reason: the child is being legally adopted by another responsible adult.
Raison d'être means "reason to be / reason for being" in English.
If their habitat is being taken over If they are being hunted