[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"grammar-exercise-01a01413-9ab3-7e03-93e2-d313ae587239":3,"grammar-exercise-lesson-019ba8c3-4434-78e7-a2af-f992da01a459":283},["Reactive",4],{"id":5,"grammarPage":6,"title":7,"instructions":8,"displayOrder":9,"type":10,"questions":11,"ogImageUrl":282},"01a01413-9ab3-7e03-93e2-d313ae587239","\u002Fapi\u002Fgrammar_pages\u002F019ba8c3-4434-78e7-a2af-f992da01a459","Negative Inversion - Find and Fix","Each sentence contains one incorrect word. Tap it, then choose the correction that completes the formal inverted structure.",4,"find_and_fix",[12,37,61,82,104,121,147,173,194,218,241,262],{"id":13,"sentenceTemplate":14,"displayOrder":15,"explanation":16,"exampleSentence":17,"blanks":18,"payload":19},"01a01413-9ab4-7017-8d4f-b9c74bd9b84d","Never have I saw such careful reasoning in a public debate.",0,"Fronted 'never' inverts the present perfect auxiliary and subject, while the main verb remains a past participle: 'Never have I seen'.","Never have I seen such careful reasoning in a public debate.",[],{"words":20,"correct":32,"wrongIndex":33,"corrections":34},[21,22,23,24,25,26,27,28,29,30,31],"Never","have","I","saw","such","careful","reasoning","in","a","public","debate.","seen",3,[32,35,36],"seeing","sees",{"id":38,"sentenceTemplate":39,"displayOrder":40,"explanation":41,"exampleSentence":42,"blanks":43,"payload":44},"01a01413-9ab4-70b3-8d4f-b9c74c1445c5","Rarely does the archive opens its restricted collection to visiting scholars.",1,"Present-simple inversion uses 'does + subject + base verb', so 'open' must follow 'does the archive'.","Rarely does the archive open its restricted collection to visiting scholars.",[],{"words":45,"correct":57,"wrongIndex":9,"corrections":58},[46,47,48,49,50,51,52,53,54,55,56],"Rarely","does","the","archive","opens","its","restricted","collection","to","visiting","scholars.","open",[57,59,60],"opened","opening",{"id":62,"sentenceTemplate":63,"displayOrder":64,"explanation":65,"exampleSentence":66,"blanks":67,"payload":68},"01a01413-9ab4-7123-8d4f-b9c74d07e41c","Seldom are sealed documents releases without legal review.",2,"The passive inversion is 'Seldom are sealed documents released', with the past participle after the inverted form of 'be'.","Seldom are sealed documents released without legal review.",[],{"words":69,"correct":78,"wrongIndex":9,"corrections":79},[70,71,72,73,74,75,76,77],"Seldom","are","sealed","documents","releases","without","legal","review.","released",[78,80,81],"releasing","release",{"id":83,"sentenceTemplate":84,"displayOrder":33,"explanation":85,"exampleSentence":86,"blanks":87,"payload":88},"01a01413-9ab4-7183-8d4f-b9c74e015dcc","Hardly had the satellite entered orbit than its primary transmitter failed.","The standard immediate-sequence pairing is 'hardly ... when', with past-perfect inversion in the first clause.","Hardly had the satellite entered orbit when its primary transmitter failed.",[],{"words":89,"correct":99,"wrongIndex":100,"corrections":101},[90,91,48,92,93,94,95,51,96,97,98],"Hardly","had","satellite","entered","orbit","than","primary","transmitter","failed.","when",6,[99,102,103],"while","that",{"id":105,"sentenceTemplate":106,"displayOrder":9,"explanation":107,"exampleSentence":108,"blanks":109,"payload":110},"01a01413-9ab4-71df-8d4f-b9c74ef0bc00","No sooner had the courier left when the recipient noticed the damaged seal.","The fixed sequence is 'no sooner ... than', so 'than' introduces the closely following event.","No sooner had the courier left than the recipient noticed the damaged seal.",[],{"words":111,"correct":95,"wrongIndex":100,"corrections":120},[112,113,91,48,114,115,99,48,116,117,48,118,119],"No","sooner","courier","left","recipient","noticed","damaged","seal.",[95,102,103],{"id":122,"sentenceTemplate":123,"displayOrder":124,"explanation":125,"exampleSentence":126,"blanks":127,"payload":128},"01a01413-9ab4-7237-8d4f-b9c74f306ce9","Not only has Dr Chen mapped the cave, but Dr Chen have also trained local rescue teams.",5,"Only the clause after fronted 'not only' is inverted. The 'but' clause keeps normal order, and singular 'Dr Chen' takes 'has'.","Not only has Dr Chen mapped the cave, but Dr Chen has also trained local rescue teams.",[],{"words":129,"correct":132,"wrongIndex":143,"corrections":144},[130,131,132,133,134,135,48,136,137,133,134,22,138,139,140,141,142],"Not","only","has","Dr","Chen","mapped","cave,","but","also","trained","local","rescue","teams.",11,[132,145,47,146],"having","is",{"id":148,"sentenceTemplate":149,"displayOrder":100,"explanation":150,"exampleSentence":151,"blanks":152,"payload":153},"01a01413-9ab4-728b-8d4f-b9c7501ac3cb","Only by checking the totals did the accountant find one error and discovered the duplicate payment.","Fronted 'only by + -ing' triggers 'did' inversion. Both coordinated verbs after 'did' use the base form: 'find ... and discover'.","Only by checking the totals did the accountant find one error and discover the duplicate payment.",[],{"words":154,"correct":168,"wrongIndex":169,"corrections":170},[155,156,157,48,158,159,48,160,161,162,163,164,165,48,166,167],"Only","by","checking","totals","did","accountant","find","one","error","and","discovered","duplicate","payment.","discover",12,[168,171,172],"discovers","discovering",{"id":174,"sentenceTemplate":175,"displayOrder":176,"explanation":177,"exampleSentence":178,"blanks":179,"payload":180},"01a01413-9ab4-72ff-8d4f-b9c750bb711d","Only if the seal is intact will we reopened the laboratory.",7,"After fronted 'only if', the result clause inverts 'will' and the subject, followed by the base verb 'reopen'.","Only if the seal is intact will we reopen the laboratory.",[],{"words":181,"correct":189,"wrongIndex":190,"corrections":191},[155,182,48,183,146,184,185,186,187,48,188],"if","seal","intact","will","we","reopened","laboratory.","reopen",8,[189,192,193],"reopens","reopening",{"id":195,"sentenceTemplate":196,"displayOrder":190,"explanation":197,"exampleSentence":198,"blanks":199,"payload":200},"01a01413-9ab4-7357-8d4f-b9c75133239d","Under no circumstances may auditors deletes source records during an active investigation.","The modal 'may' expresses prohibition here and is followed by the base verb: 'may auditors delete'.","Under no circumstances may auditors delete source records during an active investigation.",[],{"words":201,"correct":214,"wrongIndex":124,"corrections":215},[202,203,204,205,206,207,208,209,210,211,212,213],"Under","no","circumstances","may","auditors","deletes","source","records","during","an","active","investigation.","delete",[214,216,217],"deleted","deleting",{"id":219,"sentenceTemplate":220,"displayOrder":221,"explanation":222,"exampleSentence":223,"blanks":224,"payload":225},"01a01413-9ab4-73a7-8d4f-b9c751ba2499","At no time had the consent forms been signs by participants before the audit began.",9,"The fronted phrase inverts the past-perfect passive auxiliary and subject; 'been' must be followed by the past participle 'signed'.","At no time had the consent forms been signed by participants before the audit began.",[],{"words":226,"correct":237,"wrongIndex":190,"corrections":238},[227,203,228,91,48,229,230,231,232,156,233,234,48,235,236],"At","time","consent","forms","been","signs","participants","before","audit","began.","signed",[237,239,240],"signing","sign",{"id":242,"sentenceTemplate":243,"displayOrder":244,"explanation":245,"exampleSentence":246,"blanks":247,"payload":248},"01a01413-9ab4-73f7-8d4f-b9c751ef05f8","So unexpectedly were the findings that the review panel paused the release.",10,"The fronted 'so ... that' pattern needs an adjective before inverted 'were the findings': 'So unexpected were the findings'.","So unexpected were the findings that the review panel paused the release.",[],{"words":249,"correct":258,"wrongIndex":40,"corrections":259},[250,251,252,48,253,103,48,254,255,256,48,257],"So","unexpectedly","were","findings","review","panel","paused","release.","unexpected",[258,260,261],"unexpectedness","expectantly",{"id":263,"sentenceTemplate":264,"displayOrder":143,"explanation":265,"exampleSentence":266,"blanks":267,"payload":268},"01a01413-9ab4-7443-8d4f-b9c752a1a448","Not until the server logs arrived did investigators review the timeline and identified the breach.","After fronted 'not until', the main clause uses 'did' inversion, so both coordinated verbs stay in the base form: 'review ... and identify'.","Not until the server logs arrived did investigators review the timeline and identify the breach.",[],{"words":269,"correct":278,"wrongIndex":169,"corrections":279},[130,270,48,271,272,273,159,274,254,48,275,164,276,48,277],"until","server","logs","arrived","investigators","timeline","identified","breach.","identify",[278,280,281],"identifies","identifying","\u002Fuploads\u002Fimages\u002Fgpimg_5b02d1e3-2789-4be2-99de-3b11d3f8281e_hero.webp",{"title":284,"slug":285,"language":286,"level":287},"Inversion with negative adverbials","inversion-with-negative-adverbials","en","C1"]