[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"grammar-exercise-019d365c-870f-79b5-b849-ce52a6aa5c8a":3,"grammar-exercise-lesson-019b84a8-b6cc-7649-b832-969ce8dd0933":224},["Reactive",4],{"id":5,"grammarPage":6,"title":7,"instructions":8,"displayOrder":9,"questions":10},"019d365c-870f-79b5-b849-ce52a6aa5c8a","\u002Fapi\u002Fgrammar_pages\u002F019b84a8-b6cc-7649-b832-969ce8dd0933","Travel Planning - Must\u002FHave To","Fill in the blanks with 'must' or 'have to'. Use 'must' for personal decisions or strong recommendations, and 'have to' for rules, laws, or official requirements. Click on each blank and choose the correct answer from the dropdown.",0,[11,33,48,64,80,96,112,128,144,160,176,192,208],{"id":12,"sentenceTemplate":13,"displayOrder":9,"explanation":14,"exampleSentence":15,"blanks":16},"019d365e-22e1-7def-a293-0e736e5c6c81","All employees __1__ wear safety helmets in the warehouse. It's a company rule.","Use 'have to' for external rules and regulations imposed by others (company rules, laws, official requirements). The plural subject 'employees' requires 'have to', not 'has to'.","Students have to show their ID cards at the library entrance.",[17],{"id":18,"blankNumber":19,"options":20},"019d365e-22df-7d12-ba82-02250c891309",1,[21,25,29],{"id":22,"optionText":23,"isCorrect":24,"displayOrder":9},"019d365e-22df-7952-ba82-02250c27f0d5","have to",true,{"id":26,"optionText":27,"isCorrect":28,"displayOrder":19},"019d365e-22df-79ea-ba82-02250c4e35f9","must",false,{"id":30,"optionText":31,"isCorrect":28,"displayOrder":32},"019d365e-22df-7a4e-ba82-02250c7ccf17","has to",2,{"id":34,"sentenceTemplate":35,"displayOrder":32,"explanation":36,"exampleSentence":37,"blanks":38},"019d365e-22e2-7195-b55d-fa9ee4edb74c","You __1__ submit your tax return by April 15th. It's the law.","Use 'have to' for legal requirements and laws imposed by authorities. The phrase 'It's the law' clearly indicates an external obligation.","Drivers have to stop at red lights.",[39],{"id":40,"blankNumber":19,"options":41},"019d365e-22e2-7151-b55d-fa9ee485f2f8",[42,44,46],{"id":43,"optionText":23,"isCorrect":24,"displayOrder":9},"019d365e-22e2-70ad-b55d-fa9ee31c5dfb",{"id":45,"optionText":27,"isCorrect":28,"displayOrder":19},"019d365e-22e2-70f1-b55d-fa9ee387fd48",{"id":47,"optionText":31,"isCorrect":28,"displayOrder":32},"019d365e-22e2-712d-b55d-fa9ee45673c3",{"id":49,"sentenceTemplate":50,"displayOrder":51,"explanation":52,"exampleSentence":53,"blanks":54},"019d365e-22e2-7285-b55d-fa9ee6f78bfa","She __1__ attend the mandatory training session next week. HR requires it.",3,"Use 'has to' for third person singular subjects when expressing external obligations. HR's requirement is an external rule, and 'she' requires 'has to'.","He has to renew his passport before the trip.",[55],{"id":56,"blankNumber":19,"options":57},"019d365e-22e2-7249-b55d-fa9ee6e09016",[58,60,62],{"id":59,"optionText":31,"isCorrect":24,"displayOrder":9},"019d365e-22e2-71e1-b55d-fa9ee54aaf56",{"id":61,"optionText":23,"isCorrect":28,"displayOrder":19},"019d365e-22e2-7209-b55d-fa9ee5f945e3",{"id":63,"optionText":27,"isCorrect":28,"displayOrder":32},"019d365e-22e2-722d-b55d-fa9ee665bf27",{"id":65,"sentenceTemplate":66,"displayOrder":67,"explanation":68,"exampleSentence":69,"blanks":70},"019d365e-22e2-7369-b55d-fa9ee957e829","I really __1__ improve my time management skills. I keep missing deadlines.",4,"Use 'must' for personal realizations and strong internal feelings about what you need to do. The speaker personally feels the need to improve.","I must stop eating so much sugar.",[71],{"id":72,"blankNumber":19,"options":73},"019d365e-22e2-7331-b55d-fa9ee8fd3572",[74,76,78],{"id":75,"optionText":27,"isCorrect":24,"displayOrder":9},"019d365e-22e2-72cd-b55d-fa9ee7043a8b",{"id":77,"optionText":23,"isCorrect":28,"displayOrder":19},"019d365e-22e2-72f1-b55d-fa9ee76ce0e3",{"id":79,"optionText":31,"isCorrect":28,"displayOrder":32},"019d365e-22e2-7311-b55d-fa9ee82f01e0",{"id":81,"sentenceTemplate":82,"displayOrder":83,"explanation":84,"exampleSentence":85,"blanks":86},"019d365e-22e2-7485-b55d-fa9eec60c253","Visitors __1__ sign in at reception before entering the building. It's security policy.",5,"Use 'have to' for official policies and security requirements imposed by an organization. The phrase 'security policy' indicates an external rule.","Passengers have to go through security screening at the airport.",[87],{"id":88,"blankNumber":19,"options":89},"019d365e-22e2-7449-b55d-fa9eeba2e5ff",[90,92,94],{"id":91,"optionText":23,"isCorrect":24,"displayOrder":9},"019d365e-22e2-73c9-b55d-fa9ee9a5c96f",{"id":93,"optionText":27,"isCorrect":28,"displayOrder":19},"019d365e-22e2-73ed-b55d-fa9eea585769",{"id":95,"optionText":31,"isCorrect":28,"displayOrder":32},"019d365e-22e2-742d-b55d-fa9eead7e56c",{"id":97,"sentenceTemplate":98,"displayOrder":99,"explanation":100,"exampleSentence":101,"blanks":102},"019d365e-22e2-759d-b55d-fa9eef0658de","We __1__ be more careful with our spending. We're wasting too much money.",6,"Use 'must' when the speaker and others in the group personally feel something is necessary. This is a personal decision, not an external rule.","We must work harder to achieve our goals.",[103],{"id":104,"blankNumber":19,"options":105},"019d365e-22e2-7561-b55d-fa9eee2dbd23",[106,108,110],{"id":107,"optionText":27,"isCorrect":24,"displayOrder":9},"019d365e-22e2-74f5-b55d-fa9eecce71da",{"id":109,"optionText":23,"isCorrect":28,"displayOrder":19},"019d365e-22e2-7521-b55d-fa9eed113c01",{"id":111,"optionText":31,"isCorrect":28,"displayOrder":32},"019d365e-22e2-7541-b55d-fa9eed608d72",{"id":113,"sentenceTemplate":114,"displayOrder":115,"explanation":116,"exampleSentence":117,"blanks":118},"019d365e-22e2-7689-b55d-fa9ef149ca63","Every student __1__ complete 40 hours of community service to graduate. The school board decided this.",7,"Use 'has to' with singular subjects for external requirements. The school board's decision is an external rule, and 'every student' is singular.","Every employee has to attend the annual meeting.",[119],{"id":120,"blankNumber":19,"options":121},"019d365e-22e2-7651-b55d-fa9ef0ca3bba",[122,124,126],{"id":123,"optionText":31,"isCorrect":24,"displayOrder":9},"019d365e-22e2-75ed-b55d-fa9eef448251",{"id":125,"optionText":23,"isCorrect":28,"displayOrder":19},"019d365e-22e2-7611-b55d-fa9eef51b0f5",{"id":127,"optionText":27,"isCorrect":28,"displayOrder":32},"019d365e-22e2-7631-b55d-fa9ef04effa1",{"id":129,"sentenceTemplate":130,"displayOrder":131,"explanation":132,"exampleSentence":133,"blanks":134},"019d365e-22e2-7765-b55d-fa9ef3f5c8cb","I __1__ remember to buy milk on my way home. We've run out.",8,"Use 'must' when reminding yourself to do something or expressing a personal intention. This is the speaker's own reminder, not an external obligation.","I must remember to lock the door when I leave.",[135],{"id":136,"blankNumber":19,"options":137},"019d365e-22e2-772d-b55d-fa9ef2f916a9",[138,140,142],{"id":139,"optionText":27,"isCorrect":24,"displayOrder":9},"019d365e-22e2-76cd-b55d-fa9ef1800dd0",{"id":141,"optionText":23,"isCorrect":28,"displayOrder":19},"019d365e-22e2-76f1-b55d-fa9ef226f7b0",{"id":143,"optionText":31,"isCorrect":28,"displayOrder":32},"019d365e-22e2-7711-b55d-fa9ef28d48a4",{"id":145,"sentenceTemplate":146,"displayOrder":147,"explanation":148,"exampleSentence":149,"blanks":150},"019d365e-22e2-785d-b55d-fa9ef6e953cf","All applicants __1__ provide two forms of identification. The immigration office requires this.",9,"Use 'have to' for official government requirements and regulations. The immigration office's requirement is clearly an external obligation.","All candidates have to pass a background check.",[151],{"id":152,"blankNumber":19,"options":153},"019d365e-22e2-7825-b55d-fa9ef6639c5c",[154,156,158],{"id":155,"optionText":23,"isCorrect":24,"displayOrder":9},"019d365e-22e2-77b9-b55d-fa9ef43d57b5",{"id":157,"optionText":27,"isCorrect":28,"displayOrder":19},"019d365e-22e2-77e9-b55d-fa9ef53561d9",{"id":159,"optionText":31,"isCorrect":28,"displayOrder":32},"019d365e-22e2-7809-b55d-fa9ef5b77774",{"id":161,"sentenceTemplate":162,"displayOrder":163,"explanation":164,"exampleSentence":165,"blanks":166},"019d365e-22e2-793d-b55d-fa9ef8d1207a","My son __1__ wear a uniform to school. It's in the school rules.",10,"Use 'has to' with third person singular subjects for external rules. School rules are external obligations, and 'my son' requires 'has to'.","My sister has to take medication every morning.",[167],{"id":168,"blankNumber":19,"options":169},"019d365e-22e2-7905-b55d-fa9ef7fd86d8",[170,172,174],{"id":171,"optionText":31,"isCorrect":24,"displayOrder":9},"019d365e-22e2-78a5-b55d-fa9ef73468f5",{"id":173,"optionText":23,"isCorrect":28,"displayOrder":19},"019d365e-22e2-78c5-b55d-fa9ef79cdc5d",{"id":175,"optionText":27,"isCorrect":28,"displayOrder":32},"019d365e-22e2-78e5-b55d-fa9ef7a22af0",{"id":177,"sentenceTemplate":178,"displayOrder":179,"explanation":180,"exampleSentence":181,"blanks":182},"019d365e-22e2-7a19-b55d-fa9efb26c1a4","I __1__ start exercising regularly. I feel unhealthy and want to change.",11,"Use 'must' for personal decisions based on your own feelings and desires. The speaker personally wants to change their lifestyle.","I must learn to say no more often.",[183],{"id":184,"blankNumber":19,"options":185},"019d365e-22e2-79e1-b55d-fa9efa744923",[186,188,190],{"id":187,"optionText":27,"isCorrect":24,"displayOrder":9},"019d365e-22e2-7981-b55d-fa9ef8e3f734",{"id":189,"optionText":23,"isCorrect":28,"displayOrder":19},"019d365e-22e2-79a5-b55d-fa9ef9ba46b5",{"id":191,"optionText":31,"isCorrect":28,"displayOrder":32},"019d365e-22e2-79c5-b55d-fa9ef9bd3fb2",{"id":193,"sentenceTemplate":194,"displayOrder":195,"explanation":196,"exampleSentence":197,"blanks":198},"019d365e-22e2-7be5-b55d-fa9f00c80267","We __1__ try that new restaurant everyone is talking about. I'm really curious!",13,"Use 'must' when expressing strong personal desire or enthusiasm about doing something. The speaker's curiosity shows this is a personal wish.","We must visit that museum before it closes.",[199],{"id":200,"blankNumber":19,"options":201},"019d365e-22e2-7bad-b55d-fa9f00ac07ec",[202,204,206],{"id":203,"optionText":27,"isCorrect":24,"displayOrder":9},"019d365e-22e2-7b41-b55d-fa9efec56391",{"id":205,"optionText":23,"isCorrect":28,"displayOrder":19},"019d365e-22e2-7b65-b55d-fa9effa78f10",{"id":207,"optionText":31,"isCorrect":28,"displayOrder":32},"019d365e-22e2-7b91-b55d-fa9f00155a26",{"id":209,"sentenceTemplate":210,"displayOrder":211,"explanation":212,"exampleSentence":213,"blanks":214},"019d365e-22e2-7cc1-b55d-fa9f031e9746","The manager __1__ approve all vacation requests. Company policy states this clearly.",14,"Use 'has to' with singular subjects for external company policies and procedures. Company policy is an external rule, and 'the manager' is singular.","The supervisor has to sign all expense reports.",[215],{"id":216,"blankNumber":19,"options":217},"019d365e-22e2-7c8d-b55d-fa9f027fd76d",[218,220,222],{"id":219,"optionText":31,"isCorrect":24,"displayOrder":9},"019d365e-22e2-7c2d-b55d-fa9f01255760",{"id":221,"optionText":23,"isCorrect":28,"displayOrder":19},"019d365e-22e2-7c51-b55d-fa9f019e9c08",{"id":223,"optionText":27,"isCorrect":28,"displayOrder":32},"019d365e-22e2-7c71-b55d-fa9f01b374e4",{"title":225,"slug":226,"language":227},"Must\u002Fhave to (Modals)","musthave-to-modals","en"]