no
underlying theme = grundlegendes Thema underlying theme = Grundthema underlying theme = Leitmotiv
Underlying is an adjective, it doesn't have a past tense.
code first the underlying disease
the underlying cause is the main reason or motive for an action or event
The underlying reason I go to school is to learn and get smarter.
The underlying tone of the night sky can influence what is visible via a telescope with out filters. A good filter will eliminate most of the distracting underlying tone.
An underlying formula in Excel is used in a spreadsheet to do something different than the formula does. An underlying formula can be used to remove values or display numbers.
The underlying language is called HTML.
Underlying distribution is a concept that describes the density for the value of the measurement. It is a theoretical concept.
the lawyer gave an underlying opinion during the court case
Example sentence - The underlying cause of her rude behavior turned out to be her own mother.
I wonder what his underlying motive was when he paid Jan's debts.