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Are there any cases in which "should have to" is possible?

If so, would you please give me a few examples of how to use it correctly/properly?

Thank you.

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'should have to' is not at all uncommon. It expresses the opinion that it is fitting and just to impose a certain obligation upon someone. Another way of saying it is 'should be required to'.

People who commit heinous crimes should have to spend the rest of their lives in prison.
Companies which produce weed killers should have to prove that their product is safe around children and pets.
Polluters should have to bear the costs of controlling carbon.

Don't confuse this with 'should have' followed by a past participle: should have sent, should have seen, should have done.

CJ

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CalifJimPeople who commit heinous crimes should have to spend the rest of their lives in prison.Companies which produce weed killers should have to prove that their product is safe around children and pets.Polluters should have to bear the costs of controlling carbon.

In the three examples above, is it possible to use "would have to" in place of "should have to" without affecting the meaning of them?

Again, many, many thanks for your kind help.

teal limeis it possible to use "would have to" in place of "should have to" without affecting the meaning ...

No, no, no! Emotion: smile

That substitution skips over the moral indignation of the speaker completely and states the fact neutrally.

CJ

And if I used "should" instead of "should have to" in the three examples above, would the meaning of them change? If so, in what ways?

Thank you.

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teal lime

And if I used "should" instead of "should have to" in the three examples above, would the meaning of them change? If so, in what ways?

Thank you.

That change would make the statement softer. It keeps the idea that it would be a good thing for something to happen, but it skips the idea that there should be an obligation imposed for it to happen.

CJ