modal auxiliary

(grammar) A verb used to express the mood (or tense) of another verb.

Japanese Meaning

法助動詞：他の動詞のムード（または時制）を表現するために用いられる動詞

In the sentence 'She can swim', 'can' is a modal auxiliary that indicates ability.

「She can swim」という文では、'can'は能力を表す助動詞です。

Sense（1）

(grammar) A verb used to express the mood (or tense) of another verb.

modal auxiliaries

（ plural ）