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English Grammar: Negative Forms of MUST and HAVE TO

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hi my name is Valen and this is agrammar lesson on how to use must andhave to in the negative James is alreadydone in vocabulary a vocabulary lessonon must and have to and you can view itby clicking on the link below I'm in bedI'm just going to quickly review themeanings of must and have toso to have to do something means thatthere's a responsibility to do it ornecessity and we can use it in the pastpresent or future Ted's here's anexample we have to get up early forschool okay so means you have aresponsibility or it's necessary to getup early for school in the future westill say we have to get up early forschool or we can say we will have to getup early for school in the past tensewe don't use have the past tense of haveis had so we had to get up early forschoolwe use must in similar way here's anexampleI must finish my work before I go homethere's no past tense for must so we canuse must for the present tense or thefuture tense okay let's talk about thenegative forms of have to add must whenyou use them in the positive have to andmust have a similar meaning but in thenegative there's a different connotationto use it have to and must here's how itworksyou don't have to arrive before 8o'clock so sort of a connotation or themeaning of this is it's not necessary toarrive before 8 o'clock but it'spossible if so desired so you don't haveto arrive before 8 o'clock but you couldif you wanted to if you replace have towith must notyou must not arrive before 8 o'clock itchanges the meaning so this is you'reprohibited to arrive before 8 o'clockyou cannot arrive before 8 o'clock so inthe negative must must not and you don'thave to have very different meaningshere's another exampleyou must not use such horrible languageyour parents or your teacher might saythat to you if you're using foullanguage for example swearing so youmust not use such horrible language itmeans that language is prohibitedyou must not another way to express mysmut as you can use a contraction likethis so instead of writing must not youcan write mustn't it has saving okay sothat's how to express must and have notin the negative you can take the quizbelow on wwm vidcom to test yourknowledgeyou

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