The part of the sentence "is safe to be" is correct and can be used in written English.
You could use it in a sentence such as, "It is safe to be optimistic about our future."
Support systems that come from personal intimacies and places where one is loved, and where it is safe to be fully who you are, are essential for all human beings.
Will it be possible to create a new Iraq where it is safe to be a Special Olympics athlete, where it is safe to be vulnerable?
They don't care as long as the oil is safe to be pumped," said Patrice Trovoada, a former foreign minister with a construction business in Houston.
"I don't feel as if it is safe to be an American anywhere anymore," said Ms. Seaman, who dreads even flying to New York.
The normal review procedure that decides whether a Guantánamo prisoner is safe to be transferred is conducted by six US government agencies.
They need parents who can withstand rejection and provide opportunities for the child to enjoy positive experiences and gradually discover that it is safe to be a child and to depend on the adults.
It is safer to be with Russia.
But, he adds, "all the democracies do feel it is safer to be together.
To be free, to be safe, to be left alone, to be loved.
I deserve to be safe, to be warm, to be fed.
