Questions tagged [have-to-vs.must]

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

Filter by
Sorted by
Tagged with
-1
votes
1answer
21 views

must have , have to have , or should have , what should I use [closed]

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, ...
0
votes
1answer
56 views

Past tense vs present perfect tense

I have queries about past tense and present perfect tense. I have made a appointment to see the university careers advisors immediately after the seminar,So I will need to leave on time. I have done ...
0
votes
2answers
117 views

“Don’t have to” at the end of the sentence

Is it grammatically correct to use "don’t have to" at the end of a sentence? Ex: we can walk to our house if you want. But we_____. The bus will come. And if we can use it here, where’s the verb ...
0
votes
0answers
276 views

"I have to go soon" or "I'll have to go soon?

In the sentence "I don't have much time. I ___ to go soon" what should I use:"have" or "will have"?
-3
votes
1answer
738 views

Why is the "have to" in "must have to" not redundant here?

We can use must have to to say that we conclude something based on what we know about a present situation ... I can't access the database. You must have to put in a password. (= a password is ...
1
vote
2answers
108 views

"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 ...
3
votes
2answers
879 views

Deontic “must”, “have to” and “had to”

In English, to express strong obligation we can use either must or have (got) to. Grammars remind us that must is often used to express internal (personal) obligation, deduction (likelihood), and ...
0
votes
2answers
822 views

Must realise VS Must have realised

A question in an English exercise book puzzled me. The instruction is "Complete the second sentence so that it means the same as the first, using the word in bold. Use between two and five words." ...
3
votes
2answers
7k views

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 ...
4
votes
2answers
3k views

must vs have to: British usage and academic rules

I am teaching 'have to' vs 'must' (British English usage) and, according to the book, the difference is as follows: must: it's necessary to do it (because the speaker says so) have to: it's ...
1
vote
1answer
2k views

"...mustn't have done..": can it mean reproach for a past action or prohibition of a future action?

Can "You mustn't have done that" have a similar meaning to "You shouldn't have done that" / "You were not supposed to do it (but you did)"? (not logical probability but obligation) Since we have the ...
0
votes
1answer
2k views

can't have worked vs mustn't have worked [duplicate]

I'm trying to understand why answer is B? My answer is A I can't fine any rules how to explain it. She's got a terrible mark in the exam so she ....very hard at all. A. mustn't have worked B. can'...
0
votes
2answers
6k views

The use of "had to"

Does the following phrase mean it must be true? This fact had to be true. Or it must have been true? I would like a native speaker's opinion on this. I often hear it used in the second ...