My brilliant teacher, Ato Bekele, us English. But now he has retired. A, use used to to make the answer

used to teach - should be the answer

taught

Explanation:

it has past becase he was retired

just give the brainliest lol idunno xd

< 33 ; )

modal adverbs are used to modify specific verbs that consist of a linking verb (verb of being) and sometimes another verb. examples of modal verbs include can, could, may, might, must, shall, should, will and would.

modal auxiliary. an auxiliary verb characteristically used with other verbs to express mood, aspect, or tense. in english, the most common modal auxiliaries are can, could, may, might, must, ought, shall, should, will, and would. also called modal .