Question

change the voice of.... how long will you conduct the class?​

Answer 1

Answer:

how long the class will be conducted by you ?

Answer 2

Answer:

How long will the class be conducted by you?

Explanation:

*The given question is in active voice,simple future tense.

*We have to change the question into passive voice,future tense.

*The structure of the passive voice,future tense is, sub+shall/will+be+v3(past participle)

I/we-shall

You/he/she/it/they-will

*So the answer is,

How long will the class be conducted by you?

MORE:

*In the Active voice the subject is the "doer".

*In the Passive voice the subject is the "sufferer".

*While changing a sentence from active to passive voice,we have to add a "be" form verb and the past participle of the main verb should be used in the passive form.