The part of a sentence "while she was shopping" is correct and usable in written English.
Example: While she was shopping, she suddenly remembered that she needed to buy milk for the party.
Randy Pfund, the former Heat general manager, called Raumer while she was shopping with her children.
But it came back later that day while she was shopping with her younger sister, Tina Del Sontro.
Fisher's involuntary journey across the ideological spectrum began in December, while she was shopping in Herald Square.
But while she was shopping at a farmers market, she realized her heart was still in Puerto Rico.
While she was shopping, walking in the streets, or in the subways, she would imagine some of her scripts.
While she was shopping, she was stabbed in what appeared at first to be an attack by an anti-EU fanatic.
And" — he laughed, not quite happily — "wearing a uniform, outside, waiting for her while she's shopping on Third Avenue.
While Kate and Adam remain in touch, she is soon partying with a young man described as a perverted basketball player obsessed with her derriere, followed by a torrid affair with the not-too-bright but hunky star of topless Ninja movies who picks her up while she is shopping in a store specializing in devices for the enhancement of sexual pleasure.
Will she be attacked by someone while she's shopping at a grocery store or while stopped at a traffic light on her way somewhere?
The court was told he spoke on the phone to Ms El-Hassan while he was shopping and she sent him a link via WhatsApp to a website advertising a bottle of hydrogen peroxide.
Builders have compared the programme to the coalition government "shopping at Tesco" while Labour was "shopping at Selfridges".
