[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"grammar-exercise-019d4d17-5761-7a3b-820f-b30541a02370":3,"grammar-exercise-lesson-019ba7e3-8713-7c45-a547-be8a80ad5763":200},["Reactive",4],{"id":5,"grammarPage":6,"title":7,"instructions":8,"displayOrder":9,"questions":10},"019d4d17-5761-7a3b-820f-b30541a02370","\u002Fapi\u002Fgrammar_pages\u002F019ba7e3-8713-7c45-a547-be8a80ad5763","Workplace Errors & Unnecessary Decisions","This is a fill-in-the-blank exercise. Click on each blank and choose the correct answer from the dropdown. Some sentences may have more than one blank, so make sure you complete all of them.",1,[11,29,44,60,76,92,108,124,140,154,168,184],{"id":12,"sentenceTemplate":13,"displayOrder":14,"explanation":15,"exampleSentence":16,"blanks":17},"019d4d18-5b31-704f-a535-7eada1ffd825","The manager __1__ so angry. It was just a small mistake in the report.",0,"Use \"needn't have + past participle\" to express that something was unnecessary in the past. The mistake was small, so the manager's anger was unnecessary.","You needn't have worked overtime. The deadline was extended to next week.",[18],{"id":19,"blankNumber":9,"options":20},"019d4d18-5b2e-7c84-8ca8-f4d690410984",[21,25],{"id":22,"optionText":23,"isCorrect":24,"displayOrder":14},"019d4d18-5b2e-78cc-8ca8-f4d68e6dfed0","needn't have been",true,{"id":26,"optionText":27,"isCorrect":28,"displayOrder":9},"019d4d18-5b2e-7968-8ca8-f4d68f62e7a4","can't have been",false,{"id":30,"sentenceTemplate":31,"displayOrder":9,"explanation":32,"exampleSentence":33,"blanks":34},"019d4d18-5b31-7217-a535-7eada4ede259","Sarah __1__ the presentation alone. We already had a team working on it.","Use \"needn't have + past participle\" to express that something was unnecessary in the past. A team was already working on it, so her effort was unnecessary.","He needn't have printed all those documents. The meeting was cancelled.",[35],{"id":36,"blankNumber":9,"options":37},"019d4d18-5b31-71cb-a535-7eada42f193e",[38,41],{"id":39,"optionText":40,"isCorrect":28,"displayOrder":14},"019d4d18-5b31-7137-a535-7eada2327da8","can't have prepared",{"id":42,"optionText":43,"isCorrect":24,"displayOrder":9},"019d4d18-5b31-717b-a535-7eada28e0db9","needn't have prepared",{"id":45,"sentenceTemplate":46,"displayOrder":47,"explanation":48,"exampleSentence":49,"blanks":50},"019d4d18-5b31-730f-a535-7eada74771cc","The client __1__ our proposal. She signed the contract immediately without raising any concerns.",2,"Use \"can't have + past participle\" to express that something was impossible in the past. The lack of objections clearly shows she did not reject the proposal.","They can't have received my email. They would have replied by now.",[51],{"id":52,"blankNumber":9,"options":53},"019d4d18-5b31-72d3-a535-7eada70259e6",[54,57],{"id":55,"optionText":56,"isCorrect":28,"displayOrder":14},"019d4d18-5b31-7267-a535-7eada550a47a","needn't have rejected",{"id":58,"optionText":59,"isCorrect":24,"displayOrder":47},"019d4d18-5b31-72af-a535-7eada697b640","can't have rejected",{"id":61,"sentenceTemplate":62,"displayOrder":63,"explanation":64,"exampleSentence":65,"blanks":66},"019d4d18-5b31-73f3-a535-7eada96d4e24","Tom __1__ all those extra shifts last month. Now he's completely exhausted.",3,"Use \"needn't have + past participle\" to express that something was unnecessary in the past. Tom took the extra shifts, but they were not necessary.","She needn't have stayed late every night. The project deadline was flexible.",[67],{"id":68,"blankNumber":9,"options":69},"019d4d18-5b31-73b7-a535-7eada90bb99d",[70,73],{"id":71,"optionText":72,"isCorrect":28,"displayOrder":14},"019d4d18-5b31-7353-a535-7eada7982e78","can't have taken",{"id":74,"optionText":75,"isCorrect":24,"displayOrder":9},"019d4d18-5b31-7377-a535-7eada7fd944f","needn't have taken",{"id":77,"sentenceTemplate":78,"displayOrder":79,"explanation":80,"exampleSentence":81,"blanks":82},"019d4d18-5b31-760f-a535-7eadae374aac","We __1__ so much money on that advertising campaign. The results were disappointing.",5,"Use \"needn't have + past participle\" to express that something was unnecessary in the past. The results clearly show that the extra spending was unnecessary.","They needn't have hired extra staff. The workload wasn't as heavy as expected.",[83],{"id":84,"blankNumber":9,"options":85},"019d4d18-5b31-75d3-a535-7eadadda0e72",[86,89],{"id":87,"optionText":88,"isCorrect":28,"displayOrder":14},"019d4d18-5b31-756f-a535-7eadacf7ede6","can't have spent",{"id":90,"optionText":91,"isCorrect":24,"displayOrder":47},"019d4d18-5b31-75b3-a535-7eadad2f4da2","needn't have spent",{"id":93,"sentenceTemplate":94,"displayOrder":95,"explanation":96,"exampleSentence":97,"blanks":98},"019d4d18-5b31-7703-a535-7eadb11e62ed","The IT department __1__ about the system crash. All the data was backed up automatically.",6,"Use \"needn't have + past participle\" to express that something was unnecessary in the past. The automatic backup clearly shows that the concern was unnecessary.","You needn't have rushed to finish the report. The boss extended the deadline.",[99],{"id":100,"blankNumber":9,"options":101},"019d4d18-5b31-76c7-a535-7eadb07cba3d",[102,105],{"id":103,"optionText":104,"isCorrect":24,"displayOrder":14},"019d4d18-5b31-7653-a535-7eadaebb4afd","needn't have worried",{"id":106,"optionText":107,"isCorrect":28,"displayOrder":9},"019d4d18-5b31-7677-a535-7eadafb7cc7f","can't have worried",{"id":109,"sentenceTemplate":110,"displayOrder":111,"explanation":112,"exampleSentence":113,"blanks":114},"019d4d18-5b31-77db-a535-7eadb25ca426","The supplier __1__ our order. We received everything we requested on time.",7,"Use \"can't have + past participle\" to express that something was impossible in the past. The fact that everything arrived clearly shows they did not lose the order.","She can't have missed the train. I saw her get on it myself.",[115],{"id":116,"blankNumber":9,"options":117},"019d4d18-5b31-77a3-a535-7eadb23852eb",[118,121],{"id":119,"optionText":120,"isCorrect":28,"displayOrder":14},"019d4d18-5b31-7743-a535-7eadb131ac3d","needn't have lost",{"id":122,"optionText":123,"isCorrect":24,"displayOrder":9},"019d4d18-5b31-7767-a535-7eadb1a585ff","can't have lost",{"id":125,"sentenceTemplate":126,"displayOrder":127,"explanation":128,"exampleSentence":129,"blanks":130},"019d4d18-5b31-78b7-a535-7eadb5c474b7","James __1__ such a detailed report. The director only wanted a brief summary.",8,"Use \"needn't have + past participle\" to express that something was unnecessary in the past. The instructions clearly show that a detailed report was not required.","She needn't have brought all those files. We only needed the contract.",[131],{"id":132,"blankNumber":9,"options":133},"019d4d18-5b31-787f-a535-7eadb4d19432",[134,137],{"id":135,"optionText":136,"isCorrect":28,"displayOrder":14},"019d4d18-5b31-781f-a535-7eadb3582cee","can't have written",{"id":138,"optionText":139,"isCorrect":24,"displayOrder":9},"019d4d18-5b31-7843-a535-7eadb39312a6","needn't have written",{"id":141,"sentenceTemplate":142,"displayOrder":143,"explanation":144,"exampleSentence":145,"blanks":146},"019d4d18-5b31-7a7f-a535-7eadba82f70f","You __1__ a taxi to the office. I could have given you a lift instead.",10,"Use \"needn't have + past participle\" to express that something was unnecessary in the past. The availability of an alternative clearly shows that taking a taxi was unnecessary.","He needn't have bought new equipment. The old machines were still working fine.",[147],{"id":148,"blankNumber":9,"options":149},"019d4d18-5b31-7a47-a535-7eadba6b4960",[150,152],{"id":151,"optionText":72,"isCorrect":28,"displayOrder":14},"019d4d18-5b31-79e7-a535-7eadb8e623e5",{"id":153,"optionText":75,"isCorrect":24,"displayOrder":47},"019d4d18-5b31-7a2b-a535-7eadb9ad181d",{"id":155,"sentenceTemplate":156,"displayOrder":157,"explanation":158,"exampleSentence":159,"blanks":160},"019d4d18-5b31-7c43-a535-7eadc0534fea","The team __1__ the weekend preparing for the audit. The inspectors postponed their visit.",12,"Use \"needn't have + past participle\" to express that something was unnecessary in the past. The postponed inspection clearly shows that the preparation was unnecessary.","I needn't have attended that training session. My manager cancelled the new project.",[161],{"id":162,"blankNumber":9,"options":163},"019d4d18-5b31-7c0b-a535-7eadbf66027c",[164,166],{"id":165,"optionText":91,"isCorrect":24,"displayOrder":14},"019d4d18-5b31-7b9b-a535-7eadbe4157e5",{"id":167,"optionText":88,"isCorrect":28,"displayOrder":47},"019d4d18-5b31-7beb-a535-7eadbf277ed0",{"id":169,"sentenceTemplate":170,"displayOrder":171,"explanation":172,"exampleSentence":173,"blanks":174},"019d4d18-5b31-7d2b-a535-7eadc2d46844","The intern __1__ the confidential files. She doesn't have access to that folder.",13,"Use \"can't have + past participle\" to express that something was impossible in the past. The lack of access clearly shows that the intern did not delete the files.","He can't have attended the meeting. He was on holiday that week.",[175],{"id":176,"blankNumber":9,"options":177},"019d4d18-5b31-7cf3-a535-7eadc2529447",[178,181],{"id":179,"optionText":180,"isCorrect":24,"displayOrder":14},"019d4d18-5b31-7c87-a535-7eadc0bded4e","can't have deleted",{"id":182,"optionText":183,"isCorrect":28,"displayOrder":9},"019d4d18-5b31-7cb7-a535-7eadc13da720","needn't have deleted",{"id":185,"sentenceTemplate":186,"displayOrder":187,"explanation":188,"exampleSentence":189,"blanks":190},"019d4d18-5b31-7e07-a535-7eadc5cdac79","We __1__ new office furniture. The old desks were still in excellent condition.",14,"Use \"needn't have + past participle\" to express that something was unnecessary in the past. The condition of the old desks clearly shows that new furniture was not required.","They needn't have renovated the meeting room. It was perfectly functional before.",[191],{"id":192,"blankNumber":9,"options":193},"019d4d18-5b31-7dcf-a535-7eadc524292d",[194,197],{"id":195,"optionText":196,"isCorrect":24,"displayOrder":9},"019d4d18-5b31-7d93-a535-7eadc44b0ddd","needn't have ordered",{"id":198,"optionText":199,"isCorrect":28,"displayOrder":47},"019d4d18-5b31-7db3-a535-7eadc4ee681e","can't have ordered",{"title":201,"slug":202,"language":203},"Modals (can’t have & needn’t have)","modals-cant-have-neednt-have","en"]