"having become" is a grammatically correct phrase and can be used in written English.
It is a present perfect participle construction and is often used to show that an action was completed before another action took place in the past. Example: Having become frustrated with her job, Sarah decided to quit and pursue a different career.
Exact(57)
Having become interested in modern dance, Deren began working for choreographer Katherine Dunham.
Having become a Catholic convert, he was appointed organist of Milan cathedral in 1760.
Having become friends, they often exchanged ideas, and started working together in 1999.
Having become enchanted by the Austrian mountains, I was now itching to climb one.
Having become interested in Egyptology, Young began studying the texts of the Rosetta Stone in 1814.
Having become in the 1930's Stalin's pet, he enthusiastically participated in his slaughters.
Having become a father himself, Coates wrote his celebrated, bestselling epistolary essay to his son.
Having become smaller than its rivals, the Independent was forced to innovate.
Having become fascinated by logic, he began to think of all issues as problems in logic.
"Having become ill she decided to go home, and her family home is in Tonkalili".
Having become a mature technology, seismic isolation systems can be applied to NPP facilities in areas of high seismicity.
Write better and faster with AI suggestions while staying true to your unique style.
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com