N3 — outside your level filter
Is said whole, with nothing composed onto it and takes no だ/です, so there are no forms to conjugate.
薬が効く
kusurigakikumedicine takes effectN3expression
Example sentences1
早めに飲むと、薬が効くのが早い。
hayame ni nomu to, kusuri ga kiku no ga hayai.
If you take it early, the medicine takes effect sooner. neutral