Question

어제는 일찍 출근했어요 The past tense form is generally used to talk about events and states that took place prior to the time of speaking. The simple past tense is formed by adding -았/었- to the verb or adjective stem. The following general grammar rules apply:-았- attaches to stems ending in 아 or 오;-었- attaches to stems ending in a vowel other than 아 or 어;-였- attaches to -하다, resulting in -하였어- → -했어-.

Accepted Answer

Yesterday, I left for work early

Front	어제는 일찍 출근했어요
Back	Yesterday, I left for work early
Notes	The past tense form is generally used to talk about events and states that took place prior to the time of speaking. The simple past tense is formed by adding -았/었- to the verb or adjective stem. The following general grammar rules apply: -았- attaches to stems ending in 아 or 오; -었- attaches to stems ending in a vowel other than 아 or 어; -였- attaches to -하다, resulting in -하였어- → -했어-.

Attaches Past Tense Stems Ending 아 어제는 일찍