{"id":74020,"date":"2020-04-16T09:17:03","date_gmt":"2020-04-16T09:17:03","guid":{"rendered":"http:\/\/perfectyourenglish.com\/blog\/?p=74020"},"modified":"2020-04-16T09:28:16","modified_gmt":"2020-04-16T09:28:16","slug":"modal-auxiliary-verb-must","status":"publish","type":"post","link":"https:\/\/perfectyourenglish.com\/blog\/modal-auxiliary-verb-must\/","title":{"rendered":"Modal Auxiliary Verb Must"},"content":{"rendered":"<p><b>Must\u00a0<\/b>is a <a href=\"http:\/\/perfectyourenglish.com\/blog\/modal-auxiliary-verbs\/\">modal auxiliary verb<\/a>. It has no\u00a0<b>\u2013s\u00a0<\/b>in the third person singular.<\/p>\n<ul>\n<li>He must go. (NOT He musts go\u2026)<\/li>\n<\/ul>\n<p><b>Must\u00a0<\/b>is followed by an <a href=\"http:\/\/perfectyourenglish.com\/blog\/infinitives-without-to\/\">infinitive without\u00a0<\/a><b>to.<\/b><\/p>\n<ul type=\"square\">\n<li>I\u00a0<b>must get\u00a0<\/b>some rest.<\/li>\n<li>You\u00a0<b>must finish\u00a0<\/b>the report today itself.<\/li>\n<li>You\u00a0<b>must not tell\u00a0<\/b>this secret to anyone else.<\/li>\n<li>Little children\u00a0<b>must not be\u00a0<\/b>left unattended.<\/li>\n<\/ul>\n<p>Questions and negatives are made without\u00a0<b>do.<\/b><\/p>\n<ul>\n<li>Must we go now?<\/li>\n<li>You must not worry.<\/li>\n<\/ul>\n<p><b>Must<\/b>\u00a0has\u00a0<b>no<a href=\"http:\/\/perfectyourenglish.com\/blog\/infinitive-phrases\/\">\u00a0<\/a><\/b>infinitive (to must) or <a href=\"http:\/\/perfectyourenglish.com\/blog\/participles\/\">participles<\/a> (musting, musted). And it has no past tense. When necessary, we use other words, for example forms of\u00a0<b>have to.<\/b><\/p>\n<ul>\n<li>He will have to start coming on time. (NOT He will must \u2026)<\/li>\n<li>We had to cancel the project. (NOT We musted \u2026)<\/li>\n<\/ul>\n<h3>Meaning<\/h3>\n<p><b>Must<\/b>\u00a0indicates that it is necessary or very important that something happens. If you say that<i>\u00a0you must do something,<\/i>\u00a0you mean that you have a definite intention to do something in future.<\/p>\n<ul type=\"square\">\n<li>I\u00a0<b>must get\u00a0<\/b>my hair cut.<\/li>\n<li>I\u00a0<b>must stop\u00a0<\/b>smoking.<\/li>\n<li>We\u00a0<b>must get\u00a0<\/b>someone to repair the roof.<\/li>\n<\/ul>\n<p>If you tell someone else that\u00a0<i>they must do something,<\/i>\u00a0you are emphasizing that it is a good idea for them to do that.<\/p>\n<ul type=\"square\">\n<li>You\u00a0<b>must stop\u00a0<\/b>lying.<\/li>\n<\/ul>\n<h2>Uses of must<\/h2>\n<h3>To express a conclusion<\/h3>\n<p><b>Must\u00a0<\/b>can be used to express the conclusion that something is certain or highly possible.<\/p>\n<ul>\n<li>If A is bigger than B, and B is bigger than C, then A must be bigger than C.<\/li>\n<li>There is the doorbell. That must be the postman.<\/li>\n<\/ul>\n<h3>Must in questions and negatives<\/h3>\n<p><b>Must\u00a0<\/b>is not often used to express certainty in questions and negative clauses. In questions we use\u00a0<b>can.<\/b><\/p>\n<ul>\n<li>Somebody is knocking at the door. Who can it be? (NOT Who must it be?)<\/li>\n<\/ul>\n<p>In negative clauses we generally use\u00a0<b>cannot\/can\u2019t<\/b>\u00a0to say that something is certainly not the case.<\/p>\n<ul>\n<li>It can\u2019t be your mother. She is in New York.<\/li>\n<\/ul>\n<p>However,\u00a0<b>mustn\u2019t<\/b>\u00a0is normal in question tags after must, and in negative questions.<\/p>\n<ul>\n<li>It must be nice to be a bird, mustn\u2019t it?<\/li>\n<\/ul>\n<h3>To express necessity<\/h3>\n<p><b>Must<\/b>\u00a0is often used in affirmative sentences to say what is necessary, and to give strong advice and orders to ourselves and other people.<\/p>\n<ul>\n<li>We must get up early and start on our way.<\/li>\n<li>We must build a strong army to defend the country.<\/li>\n<li>I must stop smoking.<\/li>\n<\/ul>\n<p><b>Must\u00a0<\/b>can be used in questions to ask about what the hearer thinks is necessary.<\/p>\n<ul>\n<li>Must I go now?<\/li>\n<\/ul>\n<p>In American English,\u00a0<b>have to\u00a0<\/b>is more common.<\/p>\n<ul>\n<li>Do I have to go now?<\/li>\n<\/ul>\n<p><b>Must not\u00a0<\/b>or\u00a0<b>mustn\u2019t<\/b>\u00a0is used to say that things should not be done, or tell people not to do things.<\/p>\n<ul>\n<li>You must not open this parcel until Christmas day.<\/li>\n<li>You must not lie.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Must\u00a0is a modal auxiliary verb. It has no\u00a0\u2013s\u00a0in the third person singular. He must go. (NOT He musts go\u2026) Must\u00a0is followed by an infinitive without\u00a0to. I\u00a0must get\u00a0some rest. You\u00a0must finish\u00a0the report today itself. You\u00a0must&#46;&#46;&#46;<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[251],"tags":[859,1660,2474,1626],"class_list":["post-74020","post","type-post","status-publish","format-standard","hentry","category-grammar","tag-auxiliary-verbs","tag-modal-auxiliaries","tag-modal-auxiliary-verb","tag-must"],"_links":{"self":[{"href":"https:\/\/perfectyourenglish.com\/blog\/wp-json\/wp\/v2\/posts\/74020","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/perfectyourenglish.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/perfectyourenglish.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/perfectyourenglish.com\/blog\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/perfectyourenglish.com\/blog\/wp-json\/wp\/v2\/comments?post=74020"}],"version-history":[{"count":3,"href":"https:\/\/perfectyourenglish.com\/blog\/wp-json\/wp\/v2\/posts\/74020\/revisions"}],"predecessor-version":[{"id":74026,"href":"https:\/\/perfectyourenglish.com\/blog\/wp-json\/wp\/v2\/posts\/74020\/revisions\/74026"}],"wp:attachment":[{"href":"https:\/\/perfectyourenglish.com\/blog\/wp-json\/wp\/v2\/media?parent=74020"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/perfectyourenglish.com\/blog\/wp-json\/wp\/v2\/categories?post=74020"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/perfectyourenglish.com\/blog\/wp-json\/wp\/v2\/tags?post=74020"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}