[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"grammar-exercise-01a01413-a53d-7aab-83de-ad04d7a9a39d":3,"grammar-exercise-lesson-019b7f7c-8a1f-7c23-8698-42391c4d5759":254},["Reactive",4],{"id":5,"grammarPage":6,"title":7,"instructions":8,"displayOrder":9,"type":10,"questions":11,"ogImageUrl":253},"01a01413-a53d-7aab-83de-ad04d7a9a39d","\u002Fapi\u002Fgrammar_pages\u002F019b7f7c-8a1f-7c23-8698-42391c4d5759","Duration and Results - Find and Fix","One word in each sentence is wrong. Tap it, then choose the correction.",5,"find_and_fix",[12,35,56,72,94,113,132,152,175,195,214,233],{"id":13,"sentenceTemplate":14,"displayOrder":15,"explanation":16,"exampleSentence":17,"blanks":18,"payload":19},"01a01413-a53d-7c3f-83de-ad04d812229e","I has been repairing the boat since Monday.",0,"Use 'I have been repairing' for an activity continuing from Monday until now.","I have been repairing the boat since Monday.",[],{"words":20,"correct":29,"wrongIndex":30,"corrections":31},[21,22,23,24,25,26,27,28],"I","has","been","repairing","the","boat","since","Monday.","have",1,[29,32,33,34],"is","was","am",{"id":36,"sentenceTemplate":37,"displayOrder":30,"explanation":38,"exampleSentence":39,"blanks":40,"payload":41},"01a01413-a53d-7cb3-83de-ad04d837c579","The students have being testing the new app all morning.","The form is 'have been' plus verb-ing, so use 'been testing'.","The students have been testing the new app all morning.",[],{"words":42,"correct":23,"wrongIndex":51,"corrections":52},[43,44,29,45,46,25,47,48,49,50],"The","students","being","testing","new","app","all","morning.",3,[23,53,54,55],"be","are","were",{"id":57,"sentenceTemplate":58,"displayOrder":59,"explanation":60,"exampleSentence":61,"blanks":62,"payload":63},"01a01413-a53d-7d07-83de-ad04d842357d","Nadia have been coaching the junior team all term.",2,"Use 'has been coaching' with the singular subject Nadia.","Nadia has been coaching the junior team all term.",[],{"words":64,"correct":22,"wrongIndex":30,"corrections":70},[65,29,23,66,25,67,68,49,69],"Nadia","coaching","junior","team","term.",[22,32,33,71],"does",{"id":73,"sentenceTemplate":74,"displayOrder":51,"explanation":75,"exampleSentence":76,"blanks":77,"payload":78},"01a01413-a53d-7d57-83de-ad04d8b3ad55","How many weeks have we been sort donations at this centre?","After 'have we been', use the -ing form 'sorting' to ask about the duration of an activity.","How many weeks have we been sorting donations at this centre?",[],{"words":79,"correct":89,"wrongIndex":90,"corrections":91},[80,81,82,29,83,23,84,85,86,87,88],"How","many","weeks","we","sort","donations","at","this","centre?","sorting",6,[89,92,93],"sorts","sorted",{"id":95,"sentenceTemplate":96,"displayOrder":97,"explanation":98,"exampleSentence":99,"blanks":100,"payload":101},"01a01413-a53d-7d9f-83de-ad04d95e739d","The mechanic has been checking the engine since several hours.",4,"Use 'for several hours' because several hours is a length of time.","The mechanic has been checking the engine for several hours.",[],{"words":102,"correct":108,"wrongIndex":109,"corrections":110},[43,103,22,23,104,25,105,27,106,107],"mechanic","checking","engine","several","hours.","for",7,[108,86,111,112],"on","until",{"id":114,"sentenceTemplate":115,"displayOrder":9,"explanation":116,"exampleSentence":117,"blanks":118,"payload":119},"01a01413-a53d-7de7-83de-ad04d9edd1ea","Our neighbours started on Tuesday. They have been building the shed for then.","Use 'since then' to connect the continuing activity to its starting point on Tuesday.","Our neighbours started on Tuesday. They have been building the shed since then.",[],{"words":120,"correct":27,"wrongIndex":129,"corrections":130},[121,122,123,111,124,125,29,23,126,25,127,108,128],"Our","neighbours","started","Tuesday.","They","building","shed","then.",11,[27,86,112,131],"by",{"id":133,"sentenceTemplate":134,"displayOrder":90,"explanation":135,"exampleSentence":136,"blanks":137,"payload":138},"01a01413-a53d-7e4b-83de-ad04d9f8ca73","I have already wrote all four reports this week; every report is complete.","Use present perfect simple 'have written' for the completed total of four reports.","I have already written all four reports this week; every report is complete.",[],{"words":139,"correct":148,"wrongIndex":51,"corrections":149},[21,29,140,141,49,142,143,87,144,145,146,32,147],"already","wrote","four","reports","week;","every","report","complete.","written",[148,150,151],"write","writing",{"id":153,"sentenceTemplate":154,"displayOrder":109,"explanation":155,"exampleSentence":156,"blanks":157,"payload":158},"01a01413-a53d-7e93-83de-ad04da52b3e7","Her hands are blue, and the fence is still unfinished. She has been paints it all morning.","The blue hands are evidence of recent activity, so use 'has been painting'.","Her hands are blue, and the fence is still unfinished. She has been painting it all morning.",[],{"words":159,"correct":170,"wrongIndex":171,"corrections":172},[160,161,54,162,163,25,164,32,165,166,167,22,23,168,169,49,50],"Her","hands","blue,","and","fence","still","unfinished.","She","paints","it","painting",13,[170,173,174],"painted","paint",{"id":176,"sentenceTemplate":177,"displayOrder":178,"explanation":179,"exampleSentence":180,"blanks":181,"payload":182},"01a01413-a53d-7edb-83de-ad04dac3686f","This cabin has belonging to our family since 2016.",8,"Belong is stative, so use present perfect simple 'has belonged'.","This cabin has belonged to our family since 2016.",[],{"words":183,"correct":191,"wrongIndex":51,"corrections":192},[184,185,22,186,187,188,189,27,190],"This","cabin","belonging","to","our","family","2016.","belonged",[191,193,194],"belongs","belong",{"id":196,"sentenceTemplate":197,"displayOrder":198,"explanation":199,"exampleSentence":200,"blanks":201,"payload":202},"01a01413-a53d-7f23-83de-ad04daf92811","Has they been surveying customers recently?",9,"Begin the present perfect continuous question with 'Have' for the subject they.","Have they been surveying customers recently?",[],{"words":203,"correct":209,"wrongIndex":15,"corrections":210},[204,205,23,206,207,208],"Has","they","surveying","customers","recently?","Have",[209,211,212,213],"Do","Are","Were",{"id":215,"sentenceTemplate":216,"displayOrder":217,"explanation":218,"exampleSentence":219,"blanks":220,"payload":221},"01a01413-a53d-7f6b-83de-ad04dbb69a90","Has Omar been cycling recently? No, he haven't.",10,"The negative short answer repeats the matching auxiliary: 'No, he hasn't.'","Has Omar been cycling recently? No, he hasn't.",[],{"words":222,"correct":228,"wrongIndex":109,"corrections":229},[204,223,23,224,208,225,226,227],"Omar","cycling","No,","he","haven't.","hasn't.",[228,230,231,232],"isn't.","wasn't.","didn't.",{"id":234,"sentenceTemplate":235,"displayOrder":129,"explanation":236,"exampleSentence":237,"blanks":238,"payload":239},"01a01413-a53e-700e-830e-ae4ad4b90663","The printer is hot because pages have been comes out nonstop lately.","Use 'have been coming out' for the recent repeated activity that explains the hot printer now.","The printer is hot because pages have been coming out nonstop lately.",[],{"words":240,"correct":249,"wrongIndex":178,"corrections":250},[43,241,32,242,243,244,29,23,245,246,247,248],"printer","hot","because","pages","comes","out","nonstop","lately.","coming",[249,251,252],"came","come","\u002Fuploads\u002Fimages\u002Fgpimg_09444f2b-93a8-4411-8b8d-b2e6e4c702a7_hero.webp",{"title":255,"slug":256,"language":257,"level":258},"Present Perfect Continuous","present-perfect-continuous","en","B1"]