Active Voice : - In the active voice, the sentence's subject performs the action on the action's target.

Passive Voice : - In the passive voice, the target of the action is the main focus, and the verb acts upon the subject.

Past Continuous Tense:

Rule used to identify that the sentence is in Active Voice form with past continuous tense is:

subject + was or were + being + past participle + object.

For Example:

• The Kitchen staff were preparing the buffet. (active)

 'the kitchen staff ' is subject ,object is the buffet and the kitchen staff is plural subject so were is used here,an action verb will be used with verb (ing) in continuous tenses.

While converting into Passive Voice the rule will be :

 subject + was/ were + being + third form of verb + by + object.

In the question : -

1. They were not feeding the cats.

The passive form of above sentence for continuous tense is : -

The cats were not being fed by them. In this sentence , subject ( they ) is converted into object ( the cats ) and then we use helping verb were because cats is a plural subject , then use being , then third form of verb (fed) ,  then use by preposition and then the remaining part is the subject ( they ) . In objective part , it gets changed into them .

2. Jyoti was copying the answers.

The passive form of above sentence for continuous tense is : -

The answers were being copied by Jyoti. In this sentence , subject ( jyoti ) is converted into object ( the answers ) and then we use helping verb were because answers is a plural subject , then use being , then third form of verb (copied ) ,  then use by preposition and then the remaining part is the subject ( jyoti ) .

Thus , the Correct Option is B , which is 1. The cats were not being fed by them. 2. The answers were being copied by Jyoti.

Active Voice : - In the active voice, the sentence's subject performs the action on the action's target.

Passive Voice : - In the passive voice, the target of the action is the main focus, and the verb acts upon the subject.

Past Continuous Tense:

Rule used to identify that the sentence is in Active Voice form with past continuous tense is:

subject + was or were + being + past participle + object.

For Example:

• The Kitchen staff were preparing the buffet. (active)

 'the kitchen staff ' is subject ,object is the buffet and the kitchen staff is plural subject so were is used here,an action verb will be used with verb (ing) in continuous tenses.

While converting into Passive Voice the rule will be :

 subject + was/ were + being + third form of verb + by + object.

In the question : -

1. He was eating dinner at 9 pm.

The passive form of above sentence for continuous tense is : -

Dinner was being eaten at 9 pm by him. In this sentence , subject ( he ) is converted into object ( dinner) and then we use helping verb was because he is a singular subject , then use being , then third form of verb (eaten) ,  then use by preposition and then the remaining part is the subject ( he ) . In objective part , it gets changed into him .

2. They were discussing something in the class.

The passive form of above sentence for continuous tense is : -

Something was being discussed in the class by them.  In this sentence , subject ( they ) is converted into object ( something) and then we use helping verb was because something is a singular subject , then use being , then third form of verb (eaten) ,  then use by preposition and then the remaining part is the subject ( he ) . In objective part , it gets changed into them .

Thus , the Correct Option is C , which is 1. Dinner was being eaten at 9 pm by him. 2. Something was being discussed in the class by them.

Active Voice : - In the active voice, the sentence's subject performs the action on the action's target.

Passive Voice : - In the passive voice, the target of the action is the main focus, and the verb acts upon the subject.

Conversion of Active Voice Sentence into Passive Voice For Continuous Tense:

Present Continuous Tense:

Rule used to identify that the sentence is in Active Voice form with present continuous tense is:

Subject + is/am/are + first form of verb +ing + object.

For Example:

• Mr Thomas is training the players.(active)

 Here 'Mr Thomas' is subject ,'the players' is object. 'Mr. Thomas' is singular so helping verb is used ,an action verb will be used with verb (ing) in continuous tenses.

While converting into Passive Voice the rule will be :

 subject + is/am/are + being + third form of verb + by + object.

In the question : -

The police are interrogating him right now .

The passive form of above sentence for continuous tense is : -

He is being interrogated by the police right now. In this sentence , subject ( the police ) is converted into object ( he ) and then we use helping verb is because he is a singular subject , then use being , then third form of verb (interrogated) ,  then use by preposition and then the remaining part is the subject ( the police ) .

Thus , the Correct Option is B , which is He is being interrogated by the police right now.