[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"grammar-exercise-01a0e1ab-df65-79e3-8228-826503bea739":3,"grammar-exercise-lesson-01a0e1ab-d608-72f0-ae7b-02084e6afb58":221},{"id":4,"grammarPage":5,"title":6,"instructions":7,"seoTitle":8,"seoDescription":9,"displayOrder":10,"type":11,"questions":12,"ogImageUrl":220},"01a0e1ab-df65-79e3-8228-826503bea739","\u002Fapi\u002Fgrammar_pages\u002F01a0e1ab-d608-72f0-ae7b-02084e6afb58","Subject-Verb Agreement with Complex Subjects — Find and Correct the Error","Find the incorrect word and choose its correction.","Complex subject agreement: find and fix errors","Practise complex subject agreement by correcting errors with quantities, joined subjects, relative clauses, activities and amounts in everyday contexts.",1,"find_and_fix",[13,35,53,75,91,112,128,148,162,175,192,205],{"id":14,"sentenceTemplate":15,"displayOrder":16,"explanation":17,"exampleSentence":18,"blanks":19,"payload":20},"01a0e1ab-df65-7bdf-8228-826504aae9f9","The number of missing keys have risen sharply.",0,"The number of names one total, so its verb is singular: has risen. Compare a number of (question 9), which means several and takes a plural verb.","The number of missing keys has risen sharply.",[],{"words":21,"correct":30,"wrongIndex":31,"corrections":32},[22,23,24,25,26,27,28,29],"The","number","of","missing","keys","have","risen","sharply.","has",5,[30,33,34],"are","having",{"id":36,"sentenceTemplate":37,"displayOrder":10,"explanation":38,"exampleSentence":39,"blanks":40,"payload":41},"01a0e1ab-df65-7c67-8228-826504fba6ab","The committee members is divided over the proposal.","The head of this subject is members, not committee, so the verb is plural are. Naming the members is the way to focus on individuals in both British and American English.","The committee members are divided over the proposal.",[],{"words":42,"correct":33,"wrongIndex":50,"corrections":51},[22,43,44,45,46,47,48,49],"committee","members","is","divided","over","the","proposal.",3,[33,30,52],"was",{"id":54,"sentenceTemplate":55,"displayOrder":56,"explanation":57,"exampleSentence":58,"blanks":59,"payload":60},"01a0e1ab-df65-7cc7-8228-826505be7b5f","Every window and every door have been fitted with a separate lock.",2,"Repeated every presents the items one by one, so the joined subject takes singular has been fitted.","Every window and every door has been fitted with a separate lock.",[],{"words":61,"correct":30,"wrongIndex":31,"corrections":73},[62,63,64,65,66,27,67,68,69,70,71,72],"Every","window","and","every","door","been","fitted","with","a","separate","lock.",[30,33,74],"were",{"id":76,"sentenceTemplate":77,"displayOrder":50,"explanation":78,"exampleSentence":79,"blanks":80,"payload":81},"01a0e1ab-df65-7d23-8228-8265061d279c","Either the caretaker or the cleaners is attending the briefing.","With mixed singular and plural alternatives, the verb agrees with the nearer one. Cleaners is plural, so the verb is are attending; was would still be singular.","Either the caretaker or the cleaners are attending the briefing.",[],{"words":82,"correct":33,"wrongIndex":89,"corrections":90},[83,48,84,85,48,86,45,87,48,88],"Either","caretaker","or","cleaners","attending","briefing.",6,[33,52,30],{"id":92,"sentenceTemplate":93,"displayOrder":94,"explanation":95,"exampleSentence":96,"blanks":97,"payload":98},"01a0e1ab-df65-7d73-8228-826506e2a3df","In this building, everyone who works upstairs have received a security pass.",4,"Everyone is singular in both clauses: who works in the relative clause and everyone has received in the main clause.","In this building, everyone who works upstairs has received a security pass.",[],{"words":99,"correct":30,"wrongIndex":110,"corrections":111},[100,101,102,103,104,105,106,27,107,70,108,109],"In","this","building,","everyone","who","works","upstairs","received","security","pass.",7,[30,33,74],{"id":113,"sentenceTemplate":114,"displayOrder":31,"explanation":115,"exampleSentence":116,"blanks":117,"payload":118},"01a0e1ab-df65-7dc7-8228-8265073aaa6d","These tools, which has been stored in the workshop, are expensive.","Which refers to the plural tools, so the relative clause needs have been stored. The main verb are agrees with these tools separately.","These tools, which have been stored in the workshop, are expensive.",[],{"words":119,"correct":27,"wrongIndex":50,"corrections":127},[120,121,122,30,67,123,124,48,125,33,126],"These","tools,","which","stored","in","workshop,","expensive.",[27,45,52],{"id":129,"sentenceTemplate":130,"displayOrder":89,"explanation":131,"exampleSentence":132,"blanks":133,"payload":134},"01a0e1ab-df65-7e1b-8228-826507cc4cd2","At our warehouse, carrying these heavy boxes have always required special training.","An -ing phrase used as a subject names one activity, so it takes singular has required. Boxes is only the object inside that activity.","At our warehouse, carrying these heavy boxes has always required special training.",[],{"words":135,"correct":30,"wrongIndex":110,"corrections":147},[136,137,138,139,140,141,142,27,143,144,145,146],"At","our","warehouse,","carrying","these","heavy","boxes","always","required","special","training.",[30,33,74],{"id":149,"sentenceTemplate":150,"displayOrder":110,"explanation":151,"exampleSentence":152,"blanks":153,"payload":154},"01a0e1ab-df65-7e6b-8228-8265086ed4a6","That these doors are locked are causing a delay.","A that-clause used as a subject counts as one fact, so the main verb is singular is causing. Inside the clause, are agrees with doors.","That these doors are locked is causing a delay.",[],{"words":155,"correct":45,"wrongIndex":31,"corrections":161},[156,140,157,33,158,33,159,70,160],"That","doors","locked","causing","delay.",[45,74,27],{"id":163,"sentenceTemplate":164,"displayOrder":165,"explanation":166,"exampleSentence":167,"blanks":168,"payload":169},"01a0e1ab-df65-7ebf-8228-826508717fc8","Outside, a number of staff members is waiting.",8,"A number of means several, so the verb is plural: are waiting. Compare the number of (question 1), which names one total and takes a singular verb.","Outside, a number of staff members are waiting.",[],{"words":170,"correct":33,"wrongIndex":89,"corrections":174},[171,70,23,24,172,44,45,173],"Outside,","staff","waiting.",[33,52,30],{"id":176,"sentenceTemplate":177,"displayOrder":178,"explanation":179,"exampleSentence":180,"blanks":181,"payload":182},"01a0e1ab-df65-7f2f-8228-8265088d78f3","Most of this equipment works well; none of the information are missing.",9,"Information is uncountable, so none of the information takes singular is. The first clause follows the same rule: most of this equipment works.","Most of this equipment works well; none of the information is missing.",[],{"words":183,"correct":45,"wrongIndex":190,"corrections":191},[184,24,101,185,105,186,187,24,48,188,33,189],"Most","equipment","well;","none","information","missing.",10,[45,74,27],{"id":193,"sentenceTemplate":194,"displayOrder":190,"explanation":195,"exampleSentence":196,"blanks":197,"payload":198},"01a0e1ab-df65-7f83-8228-82650898bbb7","Each of the managers have signed the form.","Each is the head of this subject and is singular, so the verb is has signed. The plural managers sits inside the of-phrase and does not control the verb.","Each of the managers has signed the form.",[],{"words":199,"correct":30,"wrongIndex":94,"corrections":204},[200,24,48,201,27,202,48,203],"Each","managers","signed","form.",[30,33,74],{"id":206,"sentenceTemplate":207,"displayOrder":208,"explanation":209,"exampleSentence":210,"blanks":211,"payload":212},"01a0e1ab-df66-7031-9c86-dc268733b9ce","One of the new printers are already broken.",11,"One of + plural noun takes a singular verb because its head is one: One of the new printers is broken. Printers belongs to the of-phrase.","One of the new printers is already broken.",[],{"words":213,"correct":45,"wrongIndex":31,"corrections":219},[214,24,48,215,216,33,217,218],"One","new","printers","already","broken.",[45,74,27],"\u002Fuploads\u002Fimages\u002Fgpimg_558b4489-8913-4525-809b-526195eab376_hero.webp?v=1790492532",{"title":222,"slug":223,"language":224,"level":225},"Subject-Verb Agreement with Complex Subjects","subject-verb-agreement-with-complex-subjects","en","B2"]