Questions tagged [have-to-versus-must]

Questions related to the (purported) differences between “have to do something” and “must do something”.

Also related to the and tag.

12 questions
3
votes
2 answers

had to have been vs. has to have been vs. must have been

At 4:18 of this video titled "Trump's UN Speech Advocates For Both Peace And Nuclear War", Stephen Colbert said: Now, the most awkward moment had to have been when he brought up Venezuela. And then he showed a clip of Trump's "most awkward moment"…
JK2
  • 6,553
1
vote
2 answers

"has to" vs "must" in passive

I've been recently writing a technical document and I wrote something like It has to be possible to come back to the old version. (paraphrasing here, but I think sense is conveyed) However MS Word suggested change to It must be possible to come back…
Wylfryd
  • 13
0
votes
1 answer

can't have worked vs mustn't have worked

I'm trying to understand why answer is supposed to be B here: She's got a terrible mark in the exam so she ....very hard at all. A. mustn't have worked B. can't have worked C. didn't work My answer is A. I can't find any rules how to explain it.
Oyeme
  • 105
-1
votes
1 answer

must have, have to have, or should have: What should I use?

You must have the physical and mental strength to accomplish whatever you want in sport You can see the sentence above, I want to say. I want to say some fact, and want to express some obligation, that it must-have for achieving something in…