The phrase 'as she comments' is correct and usable in written English.
You can use it when you are quoting someone or when you are referring to something someone has said. For example: "The teacher was very impressed with her student's work, as she comments, 'This is excellent!'".
As she comments, "To step on board a steamer in a Spanish port, and three hours later to land in a country without a guide-book, is a sensation to rouse the hunger of the repletest sight-seer".
She expresses deep empathy as she comments on the term mi'kotzer ruach, the exhaustion felt by Jews in ancient Egypt.
As she comments on their changes, the camera tightens on Krisha from behind, following her uneasy movements and slowly cutting the others out of the frame.
Indeed, Montolieu was aware of the propensity of Austen's narrator to delve into the heroine's psychology in Persuasion as she comments on this in the Preface to La Famille Elliot.
She tried repeatedly to balance the blocks, without success, as she commented on how hard it was to maintain a balanced curriculum.
But what bites most keenly is the hypocrisy of those places, something she is uniquely placed to understand and convey: as she commented in her Front Row interview with Mark Lawson last week, she has had experience of living at almost every point on the social scale, from lower middle-class suburban boredom to "being as poor as you can be without being homeless" to extreme wealth.
Consistent with her low general anxiety, in this situation she experienced a falling trend of anxiety because as she commented she had learnt the new lesson well, so she had no problem answering the teacher's questions.
As she commented, "Fintech may be a catchy new word, but the concept of online finance isn't new".
The music she would hear influenced her tastes, as she commented: "all the dancehall records I saved up to buy – Shabba Ranks, Buju Banton – I heard them at Notting Hill".
"Montani semper liberi!" Those were the last words that West Virginians heard from a resident who, as she commented on proposed state House legislation, was dragged out of a public Judiciary Committee hearing.
It seemed that Vieira may not have known that Tim Berners-Lee was the inventor of the World Wide Web, as she commented "If you haven't heard of him, we haven't either", before co-host Matt Lauer told the audience to Google him.
