"insist on doing" is a correct and usable phrase in written English.
You can use it when you want to emphasize someone is strongly determined to do something. Example sentence: My boss insisted on doing the task himself, despite the offer of help from his colleagues.
I'm a drummer and a guitarist, but no-one will join a band with me because I insist on doing Christmas covers all year round.
Dr. Sanders points out that caregiving children often insist on doing everything possible to keep their elderly parents alive.
While the menu does combine British and Asian traditions, it doesn't always insist on doing so in a single dish.
Even economists predicted dire knock-on effects.Most mortgage lenders said they would insist on doing their own valuations rather than relying on the sellers'.
During his toddler years, his parents were anxious about taking him to restaurants because he would insist on doing song-and-dance numbers at strangers' tables.
As long as there are profits to be made from burning fossil fuels, someone will insist on doing just that, without regard for the environmental consequences.
If you are considering a "secular shiva," insist on doing the planning yourself, from finding a location, to notifying guests, to ordering food.
The label's acts all have names like Hannah Diamond and easyFun, and insist on doing interviews in character, maintaining the demeanour of empty-headed industry sock puppets.
Bruce Green, a legal ethics expert at Fordham University School of Law, said Mr. Hynes was not wrong to insist on doing the job for which he was elected, but said the issue underscored the need for greater reform.
It doesn't take its pledged fusing too seriously or execute it too strenuously: while the menu indeed combines British and Asian traditions, it doesn't always insist on doing so in a single dish.
It takes a new editor, Marty Baron (Liev Schreiber) – non-Boston, non-Catholic – to shake things up and insist on doing the child abuse story properly, and paradoxically reveal the paper's own former shortcomings.
