Explanation
This is a sentence of present indefinite tense.
Helping Verbs
A.V = Do/Does
P.V = is/am/are
Sell is an irregular verb which means فروخت کرنا
Sold is the second form of Sell.
Sold is also the third form of Sell.
Explanation
Seek is a verb which means get or achieve.
Sought is the second and third form of seek.
Present Indefinite Tense
Active Voice: Subject + Verb + Object
Passive Voice: Object + is/am/are+ third form of a verb + by + subject.
Explanation
Does she write an essay means کیا وہ ایک مضمون لکھتی ہے
Is an essay written by her means کیا ایک مضمون اس سے لکھا جاتا ہے
Present Indefinite Tense
Active Voice: Subject + Verb + Object
Passive Voice: Object + is/am/are+ third form of a verb + by + subject.
Explanation
Active Voice: Who
Passive Voice: By whom
Who will write an essay means ایک مضمون کون لکھے گا
Future Indefinite Tense
Active Voice Formula: Subject + Will/Shall + Verb (Ist form) + Object + (.)
Passive Voice Formula: Convert Object to Subject + Will/Shall + Be + Verb (3rd form) + By + Convert Subject to Object + Remaining + (.)
Explanation
Active Voice: Why did you not agree to my proposal?
Passive Voice: Why was my proposal not agreed to by you?
Past Indefinite tense
Active Voice= Subject + Second Form of Verb + Object.
Passive Voice = Object + was/were + third of verb + by + subject.
Explanation
Active Voice: Let + indirect object + first form of a verb + direct object.
Passive Voice: Let + direct object + be + third form of a verb + by + indirect object.
Active Voice: Let me do this work.
Passive Voice: Let this work be done by me.