\nStructural reason:<\/strong> Present Simple, 3rd person singular \u201cresearcher\u201d \u2192 verb takes -s<\/strong>. This is core A1 present simple<\/strong> inside an A1 mixed grammar test<\/strong>.<\/p>\n<\/li>\n\nMeaning logic:<\/strong> Describing a routine academic action (explaining results).<\/p>\n<\/li>\n\nRhetorical effect:<\/strong> Formal research tone (IELTS\/TOEFL style).<\/p>\n<\/li>\n\nWhy wrong answers fail:<\/strong> explain<\/strong> (no -s) wrong agreement; explaining<\/strong> needs an auxiliary (is explaining<\/em>).<\/p>\n<\/li>\n\nExam note:<\/strong> YDS A1 grammar questions love hidden 3rd-person traps.<\/p>\n<\/li>\n<\/ul>\n2) is studying ✅<\/h2>\n\n- \n
Structural reason:<\/strong> \u201cright now\u201d signals Present Continuous: be + V-ing<\/strong>.<\/p>\n<\/li>\n- \n
Meaning logic:<\/strong> Action happening at this moment.<\/p>\n<\/li>\n- \n
Rhetorical effect:<\/strong> Real-time observation (TOEFL campus dialogue style).<\/p>\n<\/li>\n- \n
Why wrong answers fail:<\/strong> studies<\/strong> = habit; study<\/strong> wrong form with \u201cshe.\u201d<\/p>\n<\/li>\n- \n
Exam note:<\/strong> Key part of A1 present simple vs present continuous<\/strong>.<\/p>\n<\/li>\n<\/ul>\n3) an ✅<\/h2>\n\n- \n
Structural reason:<\/strong> Article depends on sound: engineering<\/strong> starts with a vowel sound \/en-\/ \u2192 an<\/strong>. This is classic a an the articles A1<\/strong>.<\/p>\n<\/li>\n- \n
Meaning logic:<\/strong> One non-specific company.<\/p>\n<\/li>\n- \n
Rhetorical effect:<\/strong> Natural professional sentence.<\/p>\n<\/li>\n- \n
Why wrong answers fail:<\/strong> a<\/strong> wrong sound; the<\/strong> would mean a specific known company.<\/p>\n<\/li>\n- \n
Exam note:<\/strong> This exact trap appears in IELTS A1 grammar test tasks.<\/p>\n<\/li>\n<\/ul>\n4) There is ✅<\/h2>\n\n- \n
Structural reason:<\/strong> Existence pattern: there is\/there are A1<\/strong>. \u201ca new notice\u201d is singular \u2192 There is<\/strong>.<\/p>\n<\/li>\n- \n
Meaning logic:<\/strong> Introduces something that exists in a place.<\/p>\n<\/li>\n- \n
Rhetorical effect:<\/strong> Notice-board language (academic setting).<\/p>\n<\/li>\n- \n
Why wrong answers fail:<\/strong> There are<\/strong> needs plural; It is<\/strong> describes identity\/quality, not existence.<\/p>\n<\/li>\n- \n
Exam note:<\/strong> Core survival grammar A1 staple.<\/p>\n<\/li>\n<\/ul>\n5) can ✅<\/h2>\n\n- \n
Structural reason:<\/strong> can<\/strong> expresses permission in A1: \u201cYou can use\u2026\u201d (can can\u2019t A1).<\/p>\n<\/li>\n- \n
Meaning logic:<\/strong> Allowed in the exam.<\/p>\n<\/li>\n- \n
Rhetorical effect:<\/strong> Rule\/policy statement.<\/p>\n<\/li>\n- \n
Why wrong answers fail:<\/strong> can\u2019t<\/strong> opposite meaning; mustn\u2019t<\/strong> is a stronger prohibition (not the intended permission meaning).<\/p>\n<\/li>\n- \n
Exam note:<\/strong> TOEFL A1 grammar practice often tests permission vs prohibition.<\/p>\n<\/li>\n<\/ul>\n6) at ✅<\/h2>\n\n- \n
Structural reason:<\/strong> at + clock time<\/strong> \u2192 \u201cat 9 o\u2019clock\u201d (A1 prepositions in on at).<\/p>\n<\/li>\n- \n
Meaning logic:<\/strong> Exact time point.<\/p>\n<\/li>\n- \n
Rhetorical effect:<\/strong> Timetable style.<\/p>\n<\/li>\n- \n
Why wrong answers fail:<\/strong> in<\/strong> for months\/years; on<\/strong> for days\/dates.<\/p>\n<\/li>\n- \n
Exam note:<\/strong> High-frequency YDS A1 grammar questions topic.<\/p>\n<\/li>\n<\/ul>\n7) some ✅<\/h2>\n\n- \n
Structural reason:<\/strong> Offers\/requests often use some<\/strong>: \u201cWould you like some\u2026?\u201d This is core some any much many enough A1<\/strong>.<\/p>\n<\/li>\n- \n
Meaning logic:<\/strong> Polite offer assumes \u201cyes\u201d is possible.<\/p>\n<\/li>\n- \n
Rhetorical effect:<\/strong> Friendly academic support tone.<\/p>\n<\/li>\n- \n
Why wrong answers fail:<\/strong> any<\/strong> is more typical in neutral questions; many<\/strong> requires countable plural.<\/p>\n<\/li>\n- \n
Exam note:<\/strong> IELTS speaking basics: \u201csome\u201d in offers is a standard trick.<\/p>\n<\/li>\n<\/ul>\n8) much ✅<\/h2>\n\n- \n
Structural reason:<\/strong> \u201ctime\u201d is uncountable \u2192 much time<\/strong> (countable uncountable nouns A1).<\/p>\n<\/li>\n- \n
Meaning logic:<\/strong> Limited time today.<\/p>\n<\/li>\n- \n
Rhetorical effect:<\/strong> Scheduling limitation sentence.<\/p>\n<\/li>\n- \n
Why wrong answers fail:<\/strong> many<\/strong> is for countable plural; a lot<\/strong> needs \u201cof\u201d to be correct (\u201ca lot of time\u201d).<\/p>\n<\/li>\n- \n
Exam note:<\/strong> \u201cmuch vs many\u201d is a classic.<\/p>\n<\/li>\n<\/ul>\n9) more ✅<\/h2>\n\n- \n
Structural reason:<\/strong> Comparative with multi-syllable adjective: more important than<\/strong> (comparatives superlatives A1).<\/p>\n<\/li>\n- \n
Meaning logic:<\/strong> Comparing two methods.<\/p>\n<\/li>\n- \n
Rhetorical effect:<\/strong> Academic evaluation statement.<\/p>\n<\/li>\n- \n
Why wrong answers fail:<\/strong> most\/the most<\/strong> are superlatives, not comparatives.<\/p>\n<\/li>\n- \n
Exam note:<\/strong> IELTS\/TOEFL writing loves comparison language.<\/p>\n<\/li>\n<\/ul>\n10) takes ✅<\/h2>\n