Questions & Answers about Wannan fom ya dace.
Wannan is a demonstrative, meaning this or sometimes that, depending on context.
In Hausa, demonstratives commonly come before the noun:
wannan fom = this form
So the sentence starts by identifying the thing being talked about.
Fom is a loanword from English form.
Hausa uses many borrowed words, especially for modern objects, administration, school, technology, and paperwork. The spelling is adapted to Hausa writing conventions, so form becomes fom.
Ya is the 3rd person singular masculine subject marker.
Even when the subject noun is already stated, Hausa often still uses a subject marker before the verb:
Wannan fom ya dace.
Literally, the structure is something like:
This form, it is suitable.
So ya agrees with fom and connects the subject to the verb.
Because is treated as a in Hausa grammar.