The phrase 'as she declares' is correct and can be used in written English.
It is used when referring to the opinion or words of a person (often in the past tense). For example: Jane was certain that her friends would be impressed, as she declares.
She stands over the body of the servant, Boy, as she declares that "None else of name" is dead.
As she declares in the album's final cut, a vision of a female-run America, "Inside we're all animal".
She sees somebody with no waist, awkward ears, too small a head and too many blemishes, as she declares; we see a ravishingly beautiful young woman.
In short, "there's blood on the broccoli," as she declares meaningfully after an accident in the retreat's kitchen, though the general atmospherics are less Agatha Christie than Bridget Jones.
In the song, Priyanka Chopra, performing on stage in a leather catsuit studded with electric bulbs, urges her imaginary man not to feign any decency since, as she declares again and again, she is naughty herself.
Faced by the innocent logic of Nicola Roy's passive-aggressive Agnes as she declares her love for Mark Prendergast's swashbuckling Horace, he explodes with the fury of the comic fall-guy.
He looked directly at Ms. Milligan as she declared him "not guilty" 10 times.
It was business as usual for the Queen today as she declared the BBC's revamped state-of-the-art Broadcasting House officially open.
Forty years later, Homes has made a life of creating stories, because, as she declared, "If you don't write the book you have to write, everything breaks".
Sharon Osbourne admitted it has been overwhelming to return to The X Factor as she declared: "I'm the nan of the panel".
