[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"grammar-exercise-01a01413-a588-7342-80c7-771aadc040fd":3,"grammar-exercise-lesson-019b7f78-24b0-77b7-a062-4ca5ebaf7a99":249},["Reactive",4],{"id":5,"grammarPage":6,"title":7,"instructions":8,"displayOrder":9,"type":10,"questions":11,"ogImageUrl":248},"01a01413-a588-7342-80c7-771aadc040fd","\u002Fapi\u002Fgrammar_pages\u002F019b7f78-24b0-77b7-a062-4ca5ebaf7a99","Present Perfect vs Past Simple - Find and Fix","One word in each sentence is wrong. Tap it, then choose the correction.",5,"find_and_fix",[12,33,59,82,103,122,137,156,170,189,208,228],{"id":13,"sentenceTemplate":14,"displayOrder":15,"explanation":16,"exampleSentence":17,"blanks":18,"payload":19},"01a01413-a588-74ee-80c7-771aae3b8ee9","Yesterday, Maya visiting the new gallery.",0,"Use past simple 'visited' with the finished time 'yesterday'; present perfect does not combine with that time expression.","Yesterday, Maya visited the new gallery.",[],{"hint":20,"words":21,"correct":28,"wrongIndex":29,"corrections":30},"Yesterday is a finished past time.",[22,23,24,25,26,27],"Yesterday,","Maya","visiting","the","new","gallery.","visited",2,[28,31,32],"visits","visit",{"id":34,"sentenceTemplate":35,"displayOrder":36,"explanation":37,"exampleSentence":38,"blanks":39,"payload":40},"01a01413-a588-756e-80c7-771aaec6e81b","Leo is only twenty, and he had visited five countries so far.",1,"Use present perfect 'has visited' for a total accumulated up to now with 'so far'; past-perfect 'had' needs a past reference point.","Leo is only twenty, and he has visited five countries so far.",[],{"hint":41,"words":42,"correct":54,"wrongIndex":55,"corrections":56},"'So far' counts Leo's experience up to now.",[43,44,45,46,47,48,49,28,50,51,52,53],"Leo","is","only","twenty,","and","he","had","five","countries","so","far.","has",6,[54,57,58],"have","was",{"id":60,"sentenceTemplate":61,"displayOrder":29,"explanation":62,"exampleSentence":63,"blanks":64,"payload":65},"01a01413-a588-75ce-80c7-771aaf6f33b7","I have visited Italy twice. My first trip beginning in 2019.","The present perfect gives experience first; past simple 'began' then identifies the event in 2019.","I have visited Italy twice. My first trip began in 2019.",[],{"hint":66,"words":67,"correct":77,"wrongIndex":78,"corrections":79},"The second sentence names a specific finished year.",[68,57,28,69,70,71,72,73,74,75,76],"I","Italy","twice.","My","first","trip","beginning","in","2019.","began",8,[77,80,81],"begins","begin",{"id":83,"sentenceTemplate":84,"displayOrder":85,"explanation":86,"exampleSentence":87,"blanks":88,"payload":89},"01a01413-a588-762a-80c7-771ab060aced","I lose my wallet yesterday. Now I have blocked my cards.",3,"Use past-simple 'lost' with the finished time 'yesterday'; 'have blocked' then shows the current result.","I lost my wallet yesterday. Now I have blocked my cards.",[],{"hint":90,"words":91,"correct":99,"wrongIndex":36,"corrections":100},"The first sentence gives the event; the second gives its result now.",[68,92,93,94,95,96,68,57,97,93,98],"lose","my","wallet","yesterday.","Now","blocked","cards.","lost",[99,101,102],"loses","losing",{"id":104,"sentenceTemplate":105,"displayOrder":106,"explanation":107,"exampleSentence":108,"blanks":109,"payload":110},"01a01413-a588-7686-80c7-771ab0b6aa63","Leo has not saw this film yet.",4,"After 'has not', use the past participle 'seen'; 'yet' links the unfinished situation to now.","Leo has not seen this film yet.",[],{"hint":111,"words":112,"correct":118,"wrongIndex":85,"corrections":119},"The negative present perfect needs a past participle.",[43,54,113,114,115,116,117],"not","saw","this","film","yet.","seen",[118,120,121],"see","seeing",{"id":123,"sentenceTemplate":124,"displayOrder":9,"explanation":125,"exampleSentence":126,"blanks":127,"payload":128},"01a01413-a588-76de-80c7-771ab147d751","We didn't visited the museum last Saturday.","Use 'didn't visit' for a negative event at the finished time 'last Saturday'.","We didn't visit the museum last Saturday.",[],{"hint":129,"words":130,"correct":32,"wrongIndex":29,"corrections":136},"After 'didn't', the main verb stays in its base form.",[131,132,28,25,133,134,135],"We","didn't","museum","last","Saturday.",[32,24,31],{"id":138,"sentenceTemplate":139,"displayOrder":55,"explanation":140,"exampleSentence":141,"blanks":142,"payload":143},"01a01413-a588-7736-80c7-771ab1621130","Has you ever been to Norway?","Use 'Have you ever been' to ask about life experience up to now.","Have you ever been to Norway?",[],{"hint":144,"words":145,"correct":152,"wrongIndex":15,"corrections":153},"Match the present-perfect question auxiliary to you.",[146,147,148,149,150,151],"Has","you","ever","been","to","Norway?","Have",[152,154,155],"Did","Are",{"id":157,"sentenceTemplate":158,"displayOrder":159,"explanation":160,"exampleSentence":161,"blanks":162,"payload":163},"01a01413-a588-778a-80c7-771ab21e67f1","Did you saw Maya at the station yesterday?",7,"Use 'Did you see' because 'yesterday' is a finished past time.","Did you see Maya at the station yesterday?",[],{"hint":164,"words":165,"correct":120,"wrongIndex":29,"corrections":169},"A past-simple question uses 'did' plus the base verb.",[154,147,114,23,166,25,167,168],"at","station","yesterday?",[120,118,121],{"id":171,"sentenceTemplate":172,"displayOrder":78,"explanation":173,"exampleSentence":174,"blanks":175,"payload":176},"01a01413-a588-77e6-80c7-771ab2f76122","Has Eva finished the report? Yes, she does.","A present-perfect short answer repeats 'has': 'Yes, she has.'","Has Eva finished the report? Yes, she has.",[],{"hint":177,"words":178,"correct":185,"wrongIndex":159,"corrections":186},"Repeat the question auxiliary in the short answer.",[146,179,180,25,181,182,183,184],"Eva","finished","report?","Yes,","she","does.","has.",[185,187,188],"is.","was.",{"id":190,"sentenceTemplate":191,"displayOrder":192,"explanation":193,"exampleSentence":194,"blanks":195,"payload":196},"01a01413-a588-783e-80c7-771ab39c1104","Did the bus arrive at nine? No, it hasn't.",9,"A past-simple short answer repeats 'did': 'No, it didn't.'","Did the bus arrive at nine? No, it didn't.",[],{"hint":197,"words":198,"correct":205,"wrongIndex":78,"corrections":206},"Match the short answer to the past-simple question.",[154,25,199,200,166,201,202,203,204],"bus","arrive","nine?","No,","it","hasn't.","didn't.",[205,185,207],"doesn't.",{"id":209,"sentenceTemplate":210,"displayOrder":211,"explanation":212,"exampleSentence":213,"blanks":214,"payload":215},"01a01413-a588-7892-80c7-771ab47a915c","Lena still works here; she had worked here since 2021.",10,"Lena still works here now, so use present-perfect 'has worked' with 'since 2021'; past-perfect 'had' would need a past reference point.","Lena still works here; she has worked here since 2021.",[],{"hint":216,"words":217,"correct":54,"wrongIndex":9,"corrections":226},"The situation started in 2021 and continues now.",[218,219,220,221,183,49,222,223,224,225],"Lena","still","works","here;","worked","here","since","2021.",[54,58,227],"does",{"id":229,"sentenceTemplate":230,"displayOrder":231,"explanation":232,"exampleSentence":233,"blanks":234,"payload":235},"01a01413-a588-7902-80c7-771ab4aa16c3","Omar working there for five years, but he left in 2020.",11,"Use past simple 'worked' because the five-year period ended in 2020.","Omar worked there for five years, but he left in 2020.",[],{"hint":236,"words":237,"correct":222,"wrongIndex":36,"corrections":246},"Leaving in 2020 ended the five-year period.",[238,239,240,241,50,242,243,48,244,75,245],"Omar","working","there","for","years,","but","left","2020.",[222,220,247],"work","\u002Fuploads\u002Fimages\u002Fgpimg_9cf21703-409a-474b-859d-220068d003c7_hero.webp",{"title":250,"slug":251,"language":252,"level":253},"Present Perfect vs Past Simple","present-perfect-vs-past-simple","en","B1"]