Which answer best describes the verb tenses in the sentence ?

after mom starts the engine , she checks the rearview mirror.

Your question is the answer

  i think you forgot to put the options but if your reffering to this question then your answer will be "b"  a. add "to" to the base form to create an adjective.b. when the subject of a sentence is singular, add "–s" to the base form.c. add "–ed" to irregular base forms to form the past participle.d. do not use a base form with plural subjects

Wow that's a hard one