他们在干什么用英文怎么说过去式
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"What were they doing?" is the past tense form of "What are they doing?" in Engpsh.
The past tense in Engpsh is formed by adding "-ed" to regular verbs or by using the second form of irregular verbs. It is used to describe actions or events that have already happened.
Example sentences in Engpsh with Chinese translation:
She visited the museum yesterday. (她昨天参观了博物馆。)
They danced at the party last night. (他们昨晚在聚会上跳舞。)
I walked to the park this morning. (我今天早上步行去公园。)
The past tense in Engpsh is formed by adding "-ed" to regular verbs or by using the second form of irregular verbs. It is used to describe actions or events that have already happened.
Example sentences in Engpsh with Chinese translation:
She visited the museum yesterday. (她昨天参观了博物馆。)
They danced at the party last night. (他们昨晚在聚会上跳舞。)
I walked to the park this morning. (我今天早上步行去公园。)