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31 thg 1, 2017 · Must I do it? A BBC site says that ' must suggests that it is the speaker who has decided that something is necessary, whereas have to and have got to suggest that somebody …
16 thg 11, 2014 · When talking about internal obligation, we can use either 'must' or 'have to'. Must is more formal. But when talking about external obligation, we only use 'have to' and not …
11 thg 3, 2012 · Be to + infinitive = going to = must ( as the text says, be to + infitive adds 'demand','destiny' or 'expectation, also necessity or obligation) I am to buy this car tomorrow. …
28 thg 10, 2018 · It's very informal. Even then, I'd prefer 'Keeping our school clean is a must.' Can you envisage another native speaker using the construction (It is a must to do something)?
5 thg 5, 2013 · With 'must' as a noun, I find 'a must to try' exceedingly unidiomatic, which is probably why that reading didn't even cross my mind and I suspected an ungrammatical 'to.'
5 thg 10, 2015 · Hello. I'm wondering if this sentence sounds natural or if you would say it differently: 'You must be really bored, mustn't you?' (said to someone who is continuously …
27 thg 9, 2022 · I don't understand this explanation from Michael Swan's Practical English Usage. The book says 'Have to' can also be used to talk about obligation coming from the speaker or …
9 thg 5, 2012 · The grammar book probably means that we don't say 'Do I must do this?' It cannot be used in interrogative sentences which use an auxiliary verb to form the question, as in my …
4 thg 12, 2011 · When talking about school rules is it better to use MUST or HAVE TO? For example: Students must wear uniforms. / Students have to wear uniforms. Students must do …
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