Comprobar la estructura verbal
Identifica el sujeto, el tiempo y los auxiliares antes de elegir la forma verbal.
Had the library [1] _____ only on volunteers’ memories, many dates would have remained uncertain.
Crear un archivo digital · B2. Identifica el sujeto, el tiempo y los auxiliares antes de elegir la forma verbal.
Completa doce huecos numerados en un texto original en inglés. Lee ambos lados de cada hueco y usa todo el contexto. El nivel es una orientación editorial.

Completa doce huecos numerados en un texto original en inglés. Lee ambos lados de cada hueco y usa todo el contexto. El nivel es una orientación editorial.
Had the library [1] _____ only on volunteers’ memories, many dates would have remained uncertain. Instead, its archive team agreed to take the limits of each source into [2] _____. By the time the public launch was announced, the team [3] _____ photographs for nine months.
The most [4] _____ discovery concerned a group of photographs that had been labelled incorrectly. [5] _____ the labels looked official, two independent records contradicted them. The archivist recommended [6] _____ both the original labels and the corrections in the database.
Her report placed particular emphasis [7] _____ explaining why each correction had been made. The team consulted a resident [8] _____ family had owned several of the photographs. Only after the evidence had been compared [9] _____ the team approve the revised dates.
The aim was to make uncertainty visible, [10] _____ than hide it behind confident descriptions. [11] _____ the ownership records, the archivist asked permission before making the images public. Had the team ignored those records, it [12] _____ images without the necessary permission.
Identifica el sujeto, el tiempo y los auxiliares antes de elegir la forma verbal.
Had the library [1] _____ only on volunteers’ memories, many dates would have remained uncertain.
Lee ambos lados del hueco. Comprueba artículos, pronombres, preposiciones y expresiones fijas como un patrón completo.
Instead, its archive team agreed to take the limits of each source into [2] _____.
Decide si las ideas expresan causa, contraste, condición o referencia. Después comprueba la estructura que exige el enlace.
[5] _____ the labels looked official, two independent records contradicted them.

Completa doce huecos numerados en un texto original en inglés. Lee ambos lados de cada hueco y usa todo el contexto. El nivel es una orientación editorial.
Had the library [1] _____ only on volunteers’ memories, many dates would have remained uncertain. Instead, its archive team agreed to take the limits of each source into [2] _____. By the time the public launch was announced, the team [3] _____ photographs for nine months.
The most [4] _____ discovery concerned a group of photographs that had been labelled incorrectly. [5] _____ the labels looked official, two independent records contradicted them. The archivist recommended [6] _____ both the original labels and the corrections in the database.
Her report placed particular emphasis [7] _____ explaining why each correction had been made. The team consulted a resident [8] _____ family had owned several of the photographs. Only after the evidence had been compared [9] _____ the team approve the revised dates.
The aim was to make uncertainty visible, [10] _____ than hide it behind confident descriptions. [11] _____ the ownership records, the archivist asked permission before making the images public. Had the team ignored those records, it [12] _____ images without the necessary permission.
Building a digital archive — gap 1
Lee ambos lados del hueco. Comprueba artículos, pronombres, preposiciones y expresiones fijas como un patrón completo.
Instead, its archive team agreed to take the limits of each source into [2] _____.Decide si las ideas expresan causa, contraste, condición o referencia. Después comprueba la estructura que exige el enlace.
[5] _____ the labels looked official, two independent records contradicted them.Identifica el sujeto, el tiempo y los auxiliares antes de elegir la forma verbal.
Had the library [1] _____ only on volunteers’ memories, many dates would have remained uncertain.Conserva el primer intento, entiende el cambio y compruébalo en otra situación.
Aún no hay repasos. Prueba un calentamiento corto.
Identifica el sujeto, el tiempo y los auxiliares antes de elegir la forma verbal.
Had the library [1] _____ only on volunteers’ memories, many dates would have remained uncertain.Lee ambos lados del hueco. Comprueba artículos, pronombres, preposiciones y expresiones fijas como un patrón completo.
Instead, its archive team agreed to take the limits of each source into [2] _____.Decide si las ideas expresan causa, contraste, condición o referencia. Después comprueba la estructura que exige el enlace.
[5] _____ the labels looked official, two independent records contradicted them.Abrir una respuesta registra ayuda para esa pregunta.
Building a digital archive — gap 1
La pista decisiva es «Had the library [1] _____ only on volunteers’ memories, many dates would have remained uncertain.». Had + sujeto + participio es una condición invertida de una alternativa pasada irreal. Significa if ... had relied..., no que esa dependencia ocurriera realmente. En esta tarea, la oración completa es «Had the library relied only on volunteers’ memories, many dates would have remained uncertain.».
Building a digital archive — gap 2
La pista decisiva es «Instead, its archive team agreed to take the limits of each source into [2] _____.». Take something into account significa considerarlo al decidir; el nombre account completa esta expresión fija. En esta tarea, la oración completa es «Instead, its archive team agreed to take the limits of each source into account.».
Building a digital archive — gap 3
La pista decisiva es «By the time the public launch was announced, the team [3] _____ photographs for nine months.». Usa had been + -ing para expresar la duración de una actividad hasta un punto pasado, incluidas sus huellas recientes. En esta tarea, la oración completa es «By the time the public launch was announced, the team had been scanning photographs for nine months.».
Building a digital archive — gap 4
La pista decisiva es «The most [4] _____ discovery concerned a group of photographs that had been labelled incorrectly.». El hueco describe el hallazgo o mejora siguientes; después de the most se necesita el adjetivo significant. En esta tarea, la oración completa es «The most significant discovery concerned a group of photographs that had been labelled incorrectly.».
Building a digital archive — gap 5
La pista decisiva es «[5] _____ the labels looked official, two independent records contradicted them.». Usa although/even though + finite clause para expresar una concesión seguida de sujeto y verbo conjugado. En esta tarea, la oración completa es «Although the labels looked official, two independent records contradicted them.».
Building a digital archive — gap 6
La pista decisiva es «The archivist recommended [6] _____ both the original labels and the corrections in the database.». Propose/recommend seguido directamente de una acción lleva aquí complemento -ing. El plan es la acción, no un tiempo finito ni un infinitivo con to insertado. En esta tarea, la oración completa es «The archivist recommended including both the original labels and the corrections in the database.».
Building a digital archive — gap 7
La pista decisiva es «Her report placed particular emphasis [7] _____ explaining why each correction had been made.». La colocación es based on para una base o place emphasis on para un foco. En la frase completa, on introduce esa base o foco. En esta tarea, la oración completa es «Her report placed particular emphasis on explaining why each correction had been made.».
Building a digital archive — gap 8
La pista decisiva es «The team consulted a resident [8] _____ family had owned several of the photographs.». La relativa empieza con un nombre asociado al antecedente, como work, family u objections. Whose marca esa relación posesiva y el nombre siguiente permanece. En esta tarea, la oración completa es «The team consulted a resident whose family had owned several of the photographs.».
Building a digital archive — gap 9
La pista decisiva es «Only after the evidence had been compared [9] _____ the team approve the revised dates.». Usa only after/until + clause; inverted main clause para expresar inversión en la principal, no dentro de la subordinada con after o until. En esta tarea, la oración completa es «Only after the evidence had been compared did the team approve the revised dates.».
Building a digital archive — gap 10
La pista decisiva es «The aim was to make uncertainty visible, [10] _____ than hide it behind confident descriptions.». Rather than contrapone la acción buscada con la alternativa rechazada; ambas tienen funciones gramaticales paralelas. En esta tarea, la oración completa es «The aim was to make uncertainty visible, rather than hide it behind confident descriptions.».
Building a digital archive — gap 11
La pista decisiva es «[11] _____ the ownership records, the archivist asked permission before making the images public.». Usa having + past participle para expresar una acción terminada explícitamente antes del hecho principal. En esta tarea, la oración completa es «Having examined the ownership records, the archivist asked permission before making the images public.».
Building a digital archive — gap 12
La pista decisiva es «Had the team ignored those records, it [12] _____ images without the necessary permission.». Usa would have + past participle para expresar el resultado pasado irreal de una condición que no ocurrió. En esta tarea, la oración completa es «Had the team ignored those records, it would have published images without the necessary permission.».