Use of Did Did use for only Negative and Question Sentences. And did use for if something happen in past. For simple Sentences we use V 2nd form. Did à I, You, We, They, He, She, Name + V 2nd Did not + V 1st
If any work completed already i.e. अगर कोई काम Complete हो चूका हो , Then we use :- Has / Have + V3(Third Form of Verb) Has = He, She, Name ----> Has not Have = I, You, We, They ---> Have not