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Preposition after verb

Span from vs span across

Span from introduces a range with from and to. Span across means extend over an area or distance.

Quick answer

Using span from and span across

Use span from when giving the start of a range, usually followed by to. Use span across when something stretches over an area, region, or period.

The ages span from 18 to 65.
The bridge spans across the river.
Topics span from science to art.

Choose the pattern by meaning

These forms are not interchangeable. Choose the construction by meaning, not by which preposition appears most often.

1
span from + point + to + point

Showing a range

Span from introduces the beginning of a range or sequence.

Prices span from $10 to $200.
The course spans from beginner to advanced level.
2
span across + area

Extending over space

Span across describes physical or abstract coverage over an area.

The railway spans across three countries.
Their influence spanned across several industries.
3
span + time period

Covering a period without a preposition

Span can directly take a period as its object.

The project spanned ten years.
Her career spanned four decades.

See the difference in context

The same subject can take different constructions because each sentence answers a different question.

Construction
Example
Meaning
span from
The discussion spanned from politics to economics.
show the limits of a range
span across
The desert spans across two countries.
extend over an area
span over
The celebrations spanned over several days.
cover a period or area; similar to span across in some contexts

Common mistakes

Some combinations appear in real text but do not mean what learners often assume.

Using span from without the second limit

Span from usually works with from and to together.

✕ The prices span from $50. ✓ The prices span from $50 to $300.

Using across for a range category

Across describes coverage, not the endpoints of a range.

✕ The topics span across history to biology. ✓ The topics span from history to biology.

Adding unnecessary prepositions

Span can directly take an object.

✕ The war spanned across for ten years. ✓ The war spanned ten years.

Quick practice

Choose the expression that matches the intended meaning.

1. The festival activities ___ music to theatre.
2. The highway ___ the entire valley.
3. Her research ___ two decades.

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Frequently asked questions

Can span across be used figuratively?

Yes. It can describe influence, topics, cultures, or activities extending over broad areas.

Do I always need to after span from?

Usually yes, because span from normally introduces a complete range.

Is span over interchangeable with span across?

Sometimes. Over is common with time periods, while across strongly suggests physical or broad coverage.

sack, by, sack, for, sack, from "sacrifice for" or "sacrifice to"? sail from, in, for, to or through? "salvage from" or "salvage in"? sanction by, for, in, with or according? satisfy with, by, in, about or after? "saturate with" or "saturate in"? save by, for, from, on or in? "say in", "say about" or "say to"? "scan for", "scan in" or "scan through"? "scar by" or "scar on"? scatter in, across, around, throughout or on?

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