[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"grammar-exercise-019faa5f-945c-793a-9f63-7a81719430be":3,"grammar-exercise-lesson-019b7f7c-8a1f-7c23-8698-42391c4d5759":164},["Reactive",4],{"id":5,"grammarPage":6,"title":7,"instructions":8,"displayOrder":9,"type":10,"questions":11,"ogImageUrl":163},"019faa5f-945c-793a-9f63-7a81719430be","\u002Fapi\u002Fgrammar_pages\u002F019b7f7c-8a1f-7c23-8698-42391c4d5759","Build Duration, Activity, and Current Evidence","Tap the words in the correct order to build each sentence. One word does not belong.",2,"sentence_builder",[12,31,45,59,74,89,104,119,134,149],{"id":13,"sentenceTemplate":14,"displayOrder":15,"explanation":16,"exampleSentence":17,"blanks":18},"019faa5f-945c-7b9e-9f63-7a8173a0a180","Build the sentence: __1__",0,"Use 'have been studying' with 'for three years' to emphasize an activity continuing from the past to now.","I have been learning Italian for six months.",[19],{"id":20,"blankNumber":21,"options":22},"019faa5f-945c-7b1a-9f63-7a817346acb5",1,[23,27],{"id":24,"optionText":25,"isCorrect":26,"displayOrder":15},"019faa5f-945c-7a4a-9f63-7a8171e8149e","I have been studying English for three years.",true,{"id":28,"optionText":29,"isCorrect":30,"displayOrder":21},"019faa5f-945c-7ab6-9f63-7a8172539aa4","studied",false,{"id":32,"sentenceTemplate":14,"displayOrder":21,"explanation":33,"exampleSentence":34,"blanks":35},"019faa5f-945c-7d12-9f63-7a8174e0f4a0","Use 'has been working' with 'since March' because March is the starting point.","Leo has been living here since January.",[36],{"id":37,"blankNumber":21,"options":38},"019faa5f-945c-7cae-9f63-7a8174a0ff04",[39,42],{"id":40,"optionText":41,"isCorrect":30,"displayOrder":15},"019faa5f-945c-7c32-9f63-7a8173fd84f6","worked",{"id":43,"optionText":44,"isCorrect":26,"displayOrder":21},"019faa5f-945c-7c72-9f63-7a8173fdcd64","Lena has been working here since March.",{"id":46,"sentenceTemplate":14,"displayOrder":9,"explanation":47,"exampleSentence":48,"blanks":49},"019faa5f-945c-7e52-9f63-7a8176e84c62","'All morning' emphasizes the duration of the ongoing or very recently finished painting activity.","They have been decorating the hall all morning.",[50],{"id":51,"blankNumber":21,"options":52},"019faa5f-945c-7dfe-9f63-7a81769cef22",[53,56],{"id":54,"optionText":55,"isCorrect":26,"displayOrder":15},"019faa5f-945c-7d8a-9f63-7a81755b7af9","We have been painting the kitchen all morning.",{"id":57,"optionText":58,"isCorrect":30,"displayOrder":21},"019faa5f-945c-7dc6-9f63-7a81763dbbd4","painted",{"id":60,"sentenceTemplate":14,"displayOrder":61,"explanation":62,"exampleSentence":63,"blanks":64},"019faa5f-945c-7f96-9f63-7a8178ff566d",3,"Use present perfect continuous with 'since ten o'clock' for an activity continuing from that starting time.","I have been reading since nine o'clock.",[65],{"id":66,"blankNumber":21,"options":67},"019faa5f-945c-7f3a-9f63-7a817867caac",[68,71],{"id":69,"optionText":70,"isCorrect":30,"displayOrder":15},"019faa5f-945c-7ec2-9f63-7a8177b6f185","waited",{"id":72,"optionText":73,"isCorrect":26,"displayOrder":21},"019faa5f-945c-7f02-9f63-7a8177d773b8","They have been waiting since ten o'clock.",{"id":75,"sentenceTemplate":14,"displayOrder":76,"explanation":77,"exampleSentence":78,"blanks":79},"019faa5f-945d-7132-b6c5-2bea0ae46fce",4,"The muddy shoes are current evidence of the recent walking activity.","Her coat is wet because she has been walking in the rain.",[80],{"id":81,"blankNumber":21,"options":82},"019faa5f-945d-70de-b6c5-2bea0a28c1ae",[83,86],{"id":84,"optionText":85,"isCorrect":26,"displayOrder":15},"019faa5f-945d-7066-b6c5-2bea09b1fb4b","His shoes are muddy because he has been walking in the rain.",{"id":87,"optionText":88,"isCorrect":30,"displayOrder":21},"019faa5f-945d-70a6-b6c5-2bea09ddb3a4","walked",{"id":90,"sentenceTemplate":14,"displayOrder":91,"explanation":92,"exampleSentence":93,"blanks":94},"019faa5f-945d-725e-b6c5-2bea0d0676bf",5,"The tiredness now is evidence of the recent cleaning process, so use present perfect continuous.","We are exhausted because we have been moving furniture.",[95],{"id":96,"blankNumber":21,"options":97},"019faa5f-945d-7206-b6c5-2bea0c696b24",[98,101],{"id":99,"optionText":100,"isCorrect":30,"displayOrder":15},"019faa5f-945d-719a-b6c5-2bea0b925c8f","cleaned",{"id":102,"optionText":103,"isCorrect":26,"displayOrder":21},"019faa5f-945d-71d2-b6c5-2bea0bdccb3d","I am tired because I have been cleaning the garage.",{"id":105,"sentenceTemplate":14,"displayOrder":106,"explanation":107,"exampleSentence":108,"blanks":109},"019faa5f-945d-73a6-b6c5-2bea0e9a2062",6,"'All afternoon' focuses on how long the children's activity has continued.","The team has been practising all afternoon.",[110],{"id":111,"blankNumber":21,"options":112},"019faa5f-945d-734e-b6c5-2bea0e75999d",[113,116],{"id":114,"optionText":115,"isCorrect":26,"displayOrder":15},"019faa5f-945d-72e2-b6c5-2bea0db4e448","The children have been playing outside all afternoon.",{"id":117,"optionText":118,"isCorrect":30,"displayOrder":21},"019faa5f-945d-731a-b6c5-2bea0e394041","played",{"id":120,"sentenceTemplate":14,"displayOrder":121,"explanation":122,"exampleSentence":123,"blanks":124},"019faa5f-945d-74fe-b6c5-2bea0f81fb36",7,"Use 'has been practising' with 'for two hours' to emphasize the duration of the activity.","Omar has been exercising for forty minutes.",[125],{"id":126,"blankNumber":21,"options":127},"019faa5f-945d-747e-b6c5-2bea0f4a5acd",[128,131],{"id":129,"optionText":130,"isCorrect":30,"displayOrder":15},"019faa5f-945d-740a-b6c5-2bea0eb29ec2","practised",{"id":132,"optionText":133,"isCorrect":26,"displayOrder":21},"019faa5f-945d-7446-b6c5-2bea0f40d569","Maya has been practising the piano for two hours.",{"id":135,"sentenceTemplate":14,"displayOrder":136,"explanation":137,"exampleSentence":138,"blanks":139},"019faa5f-945d-7642-b6c5-2bea118c3a16",8,"The wet ground is visible evidence that the rain has been happening very recently.","The windows are wet because it has been raining.",[140],{"id":141,"blankNumber":21,"options":142},"019faa5f-945d-75ea-b6c5-2bea10d5eacc",[143,146],{"id":144,"optionText":145,"isCorrect":26,"displayOrder":15},"019faa5f-945d-7576-b6c5-2bea0f9e337f","The ground is wet because it has been raining.",{"id":147,"optionText":148,"isCorrect":30,"displayOrder":21},"019faa5f-945d-75b2-b6c5-2bea106b0e92","rained",{"id":150,"sentenceTemplate":14,"displayOrder":151,"explanation":152,"exampleSentence":153,"blanks":154},"019faa5f-945d-777e-b6c5-2bea13eba699",9,"'Recently' presents working from home as a repeated activity in the period leading up to now.","She has been travelling by train recently.",[155],{"id":156,"blankNumber":21,"options":157},"019faa5f-945d-7722-b6c5-2bea13a1ab79",[158,160],{"id":159,"optionText":41,"isCorrect":30,"displayOrder":15},"019faa5f-945d-76b2-b6c5-2bea11f2b91c",{"id":161,"optionText":162,"isCorrect":26,"displayOrder":21},"019faa5f-945d-76ea-b6c5-2bea12cd08c6","We have been working from home recently.","\u002Fuploads\u002Fimages\u002Fgpimg_7228f50d-cf48-4f07-b64c-e19bf395aab0_hero.webp",{"title":165,"slug":166,"language":167,"level":168},"Present Perfect Continuous","present-perfect-continuous","en","B1"]