Answer:
Step-by-step explanation:
In Passive Voice, the subjects changes into object and vice versa.
Also,
The tense ,in which the active voice is, is past continuous tense. So, The sentence structure of Passive voice will be:
Object + Was/Were + Being + 3rd form of verb + By + Subject.
So, The sentence will be like:
=> They were not being laughed at by me.
Hope this helped!
~AH1807