The phrase "insisted to be" is correct and can be used in written English.
For example, "He insisted to be allowed to do it his own way."
The composer of the work within the work was, Strauss insisted, to be sung by a woman.
Rugare Gumbo, spokesman for Zanu-PF, insisted: "To be frank with you, it's all rubbish and hogwash to think a head of state like president Mugabe would set up something like that.
Mr. McCain added: "What I have learned confirms for me what I have always believed and insisted to be true — that the cruel, inhuman and degrading treatment of prisoners is not only wrong in principle and a stain on our country's conscience, but also an ineffective and unreliable means of gathering intelligence".
Even though according to the auctioneers' profiles most live thousands of miles away from California, each insisted to be in possession of the authentic clippings.
Of the 8 patients, three insisted to be taken off dialysis.
"I insist to be myself, wherever I am.
Should they insist to be their "Friend" and monitor their endless chatter?
(30) It must be a balance, and of course, nothing he said was meant, Helprin insists, to be unbalanced.
Assist people without insisting to be paid.
Good values, Wilson insisted, needed to be learned at home.
His children, he insisted, were to be educated in the best possible way, which meant they had to visit Europe.
