Explanation
Who laughs at you is an interrogative sentence of Present Indefinite Tense.
Who laughs at you means آپ پر کون ہنستا ہے؟
Present Indefinite Tense
Active Voice: Subject + Verb + Object
Passive Voice: Object + is/am/are+ third form of a verb + by + subject.
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
The peon respectfully asked if he could help him.
"May I" in direct speech changes to "if he could" in indirect speech.
The word "respectfully" is added to reflect the polite tone of the original sentence.
Explanation
Imperative sentences give commands, requests, or instructions.
"Move the chairs into that corner quickly." is a command, making it an imperative sentence.