Duration vs Extent vs Length vs Period

Quando usare ciascuno in inglese, con significato, registro ed esempi.

Duration

Top 2000 (comune) B2 noun

Extent

Top 2000 (comune) B2 noun

Length

Top 1000 (molto comune) B1 noun

Period

Top 1000 (molto comune) A1 noun

	Duration	Extent	Length	Period
Pronuncia	🇬🇧 /["/djuˈreɪʃn/"]/ 🇺🇸 /["/duˈreɪʃn/"]/	🇬🇧 /["/ɪkˈstent/"]/ 🇺🇸 /["/ɪkˈstent/"]/	🇬🇧 /["/leŋkθ/"]/ 🇺🇸 /["/leŋkθ/"]/	🇬🇧 /["/ˈpɪəriəd/"]/ 🇺🇸 /["/ˈpɪriəd/"]/
Significato	Quanto dura qualcosa. The length of time something lasts.	Il grado o la quantità di qualcosa. The degree or amount of something.	Quanto è lungo qualcosa da un'estremità all'altra. How long something is from one end to another.	Un pezzo di tempo o un punto alla fine di una frase. A length of time or the end of a sentence.
Esempio	The school was used as a hospital for the duration of the war.	The extent of the damage was greater than we initially thought.	The length of the table is about two meters.	We have a period for math today.
Registro	Neutro	Neutro	Neutro	Neutro
Quanto è comune	Top 2000 (comune)	Top 2000 (comune)	Top 1000 (molto comune)	Top 1000 (molto comune)
Livello CEFR	B2	B2	B1	A1
Categoria grammaticale	noun	noun	noun	noun
Collocazioni	brief, short, limited, decrease, reduce, shorten, for the duration (of), of… duration, throughout the duration of	full, greatest, maximum, reach, see, consider, in extent, to an extent, to a…extent, at something’s greatest extent, to a considerable extent, to a great extent, full, greatest, maximum, reach, see, consider, in extent, to an extent, to a…extent, at something’s greatest extent, to a considerable extent, to a great extent	entire, full, maximum, estimate, measure, have, along the length of, in length, at arm’s length, double, twice, three times, half, etc. the length of something, considerable, great, inordinate, cut, reduce, shorten, increase, decrease, at length, in length, length of time, do, swim	extended, lengthy, long, cover, span, begin, begin, commence, elapse, costume, furniture, after a period, during the period, throughout the period, the beginning of a period, the start of a period, the end of a period, extended, lengthy, long, cover, span, begin, begin, commence, elapse, costume, furniture, after a period, during the period, throughout the period, the beginning of a period, the start of a period, the end of a period, extended, lengthy, long, cover, span, begin, begin, commence, elapse, costume, furniture, after a period, during the period, throughout the period, the beginning of a period, the start of a period, the end of a period, heavy, light, menstrual, have, start, miss, start, stop, last, cramps, pains
Contrari	moment, instant	limited, minimal, modest	shortness	moment, instant
Errori comuni	Confused with 'session', which refers to a specific meeting or period of activity., Using it incorrectly as a verb, e.g., 'to duration something.', Mixing it up with 'interval,' which refers to a break or pause rather than the length.	Using 'extent' as a verb rather than a noun., Confusing 'extent' with 'extent of' when referring to limits or boundaries., Overusing 'extent' when a simpler term like 'amount' would be clearer.	Confused with 'height' or 'width'., Incorrectly using as a verb., Using 'length' to describe time without context.	Confused with 'time period' as if it's one single word., Using 'period' instead of 'dot' when referring to a punctuation mark in some regions.
Note d'uso	Usato comunemente sia in contesti formali che informali. Si riferisce a periodi di tempo, come la durata di un film o di un evento. Evita di usarlo in conversazioni molto informali. Commonly used in both formal and informal contexts. Refers to time periods, such as how long a movie is or how long an event lasts. Avoid using it in very casual conversations.	Usa 'extent' in contesti formali o scritti quando discuti livelli o gradi. È meno comune nel parlato quotidiano. Use 'extent' in formal or written contexts when discussing levels or degrees. It's less common in everyday speech.	Usa 'lunghezza' quando parli di dimensioni o durata. È appropriato sia in contesti quotidiani che accademici; evita di usarlo in situazioni molto informali. Use 'length' when discussing size or duration. It's appropriate in both everyday and academic contexts; avoid using in very casual situations.	Usa 'periodo' quando parli di intervalli di tempo o in scrittura per indicare la fine di una frase. Evita in contesti molto informali o quando parli di usi meno comuni come 'periodo mestruale' a meno che non sia rilevante. Use 'period' when discussing time frames or in writing to indicate the end of a sentence. Avoid in very informal contexts or when discussing less standard uses like 'menstrual period' unless relevant.

Guardalo in clip reali

but you happened to pull this shit while I'm in a transitional period,

Period

Domande frequenti: Duration vs Extent vs Length vs Period

Qual è la differenza tra Duration, Extent, Length e Period?

Duration: The length of time something lasts. Extent: The degree or amount of something. Length: How long something is from one end to another. Period: A length of time or the end of a sentence.

Duration, Extent, Length e Period sono allo stesso livello CEFR?

Duration: B2, Extent: B2, Length: B1, Period: A1 sulla scala CEFR.

Che categoria grammaticale sono Duration, Extent, Length e Period?

Duration: noun, Extent: noun, Length: noun, Period: noun.

Puoi mostrare un esempio di ciascuna?

Duration: The school was used as a hospital for the duration of the war. Extent: The extent of the damage was greater than we initially thought. Length: The length of the table is about two meters. Period: We have a period for math today.

Posso usare Duration, Extent, Length e Period in modo intercambiabile?

Non sempre. Duration, Extent, Length e Period sono affini e a volte si sovrappongono, ma differiscono per registro, frequenza e uso, quindi scambiarle può cambiare il significato o il tono. Controlla le differenze qui sopra prima di sostituire.