"in addition to preparing" is correct and usable in written English.
It is a phrase that can be used to describe something that is being done in addition to another action. For example, "In addition to preparing for the upcoming exam, I'm also studying for the certification test next week."
In addition to preparing what little food they have to eat, Aida does the shopping, cleaning and washing.
In addition to preparing the trail and building stations, the company had to procure hundreds of top-quality horses.
In addition to preparing for class discussion, students will be asked to write three short papers (approximately three pages each).
In addition to preparing for Monday's ceremony, Chief Jacks said tribe members visited the Statue of Liberty and took double-decker bus tours of the city.
In addition to preparing traffic studies, the developers will be required to assess the project's economic impact and its effect on water quality and sewage flows.
In addition to preparing for and attending bi-monthly board meetings, Ebico's Neds each spend time with managers every month providing mentoring and advice.
In addition, to prepare for cell-based therapies, new technologies for the generation of stem cell lines that are histocompatible with or specific to individual patients will provide a strategy to overcome the challenges of immune rejection.
In addition to better preparing the students for class and ensuring a student-driven discussion, the bSpace postings allowed me to be a much more effective teacher.
In addition to CPN prepared from "classical" polymers, bionanocomposites based on the assembly of sepiolite and palygorskite with polymers of biological origin are also introduced in this chapter.
In addition to being prepared to engage in the evolving practice environment, students need the skills to appraise evidence, articulate the care they provide, document evidence-based care processes, and examine data from clinical practice.
In addition to being prepared with proper gear, you should always have a basic first aid kit (and know how to use its contents!).
