Grammar fix
transform into
completely change
To change completely into a different form, appearance, or situation.
How oftenCommon
LevelB2
Used inSpeech & writing
Hear it in context
Notice where the phrase sounds natural.
The renovation transformed the dark flat into a bright, comfortable home.
My little sister is really shy, but the second she gets on a stage she transforms into a completely different person.
Fix the pattern
One small grammar move makes it sound right.
Not: The old warehouse has transformed to an arts centre.
Say: The old warehouse has been transformed into an arts centre.
Use 'into' after 'transform', and the passive is usual for places.
Don't confuse it
Other ways to say it
Change into something else
How formal?ConversationalMore formal
turn intoEveryday changes in form, identity, or circumstances.morph intoGradual, often odd change: 'The chat morphed into a row.'
transform intoYou're here · A complete, striking change, often for the better.