Can we say in passive: The bad news were or was given? The same with cast has been chosen or have been chosen?

Can you put this sentence in passive

Her mother is teaching her French

Active: Her mother is teaching her French.

Passive: She is being taught French by her mother.

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You can say, "The bad news was given to the family by the policeman."

Also, "The cast has been chosen by the casting director."

(Both are considered singular in these cases.)

To determine whether to use "were" or "was" in the passive voice sentence, you need to identify the subject and verb tense correctly.

In the sentence "The bad news were/was given," the subject is "The bad news," and the verb is "given." Since "news" is typically treated as a singular noun, the correct form is "was." Therefore, the correct passive voice sentence would be "The bad news was given."

Similarly, in the sentence "The cast has been chosen/have been chosen," the subject is "The cast," and the verb is "been chosen." "Cast" is a collective noun, which can be considered singular or plural, depending on context. In this case, it refers to a singular group or entity. Therefore, the correct passive voice sentence would be "The cast has been chosen."

To summarize:
- "The bad news was given."
- "The cast has been chosen."

Remember, when using the passive voice, you need to pay attention to subject-verb agreement and the context of the sentence.