In the following situation, which fits best (should or must or have to):
I think that it is very important to look after the environment. This means that we should/must/have to cut down the amount of waste that we create.
I was taught that we use have to to express strong obligation, when the obligation comes from someone else.
And that we use must to express strong obligation, when the obligation comes from you.
And to use should to express mild obligation.
Accordingly, it is (MUST) that fits best, but I am still not sure about that.
cat paint 359 I think that it is very important to look after the environment. This means that we should/must/have to cut down the amount of waste that we create. I would use 'have to'.
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cat paint 359I think that it is very important to look after the environment. This means that we should/must/have to cut down the amount of waste that we create.
I would use 'have to'. (American English)
But following your guidelines, I don't see why you chose 'must'. The obligation is imposed by the external conditions in the environment, not by an