Question

do you work hard ?
change into past indefinite​

Answer 1

Did you work hard?

Explanation:

• 'Do you work hard?' is an Interrogative Sentence in Present Indefinite Tense.
• The questioning is done using the verb 'Do', in Present Tense and in order to change the Tense of the sentence into Past Indefinite Tense, we simply write the Past Tense of 'Do', which is 'Did'; no need to change anything else in the sentence.
• Thus: Did you work hard?

Answer 2

Here is the correct answer along with explanation:

Did you work hard?

Explanation

Simple Past Tense is used to :

a)  talk about actions which occurred at regular intervals in the past.  

e.g. Last year I drove to Ambala once a month.

b) to talk about situations which existed for a period of time in the past.  

e.g. Thousands of years ago humans lived in caves.

c)  Talk about non-continuous actions which occurred at a definite time in the past.

e.g. India launched Mars Orbiter Mission in 2013.

     

Jack ate a mango.

The verb in the sentence is ‘ate’. Its tense is ‘Past Simple’. Past Simple Tense form ends in ed or V2. Simple past tense form of the irregular verbs is used. We use did+V1 form in negatives and questions. For example,’ The car did not start.’ and ‘What did you tell the police?’

For questions in simple past tense we use the following structure:

Did+S+V1+O?