にわたって | Grammar

Structure

[noun (time/range)] + にわたって [noun (time/range)] + にわたり

[noun (time/range)] + にわたる + [noun] (attributive form)

Description

The grammar pattern にわたって (also written as に渡って or に亘って) is used to express that something extends over a period of time, across a range, or throughout a certain scope. It emphasizes that the action or state covers the entire extent of the specified period or area.

The noun before にわたって typically indicates a duration, number of times, geographical range, or other measurable scope.

Basic usage

。

I continued the research over a period of three years.

。

The typhoon caused damage across a wide area.

Modifying a noun: にわたる + Noun

When modifying a noun directly, use にわたる (the attributive form) instead of にわたって.

。

Efforts spanning ten years finally bore fruit.

。

Long-term negotiations are continuing.

にわたり as an alternative

にわたり can be used interchangeably with にわたって. It sounds slightly more formal and is more common in written language.

。

Rain continued to fall over several days.

Common patterns

にわたって frequently appears with expressions like:

Nuance

にわたって carries a somewhat formal tone and is common in news reports, academic writing, and formal speeches. It emphasizes the breadth or duration of something, often implying that the extent is noteworthy or significant.

Examples

ご5。

The meeting was held over a period of five hours.

。

We discussed this issue over several sessions.

。

The effects of the earthquake extend across a wide area.

。

He has been teaching Japanese for over twenty years.

。

Heavy snow warnings have been issued throughout the country.

みっ3。

A festival spanning three days has begun.

。

The construction is expected to continue over half a year.

。

He is active across many fields.

。

I want to cherish our friendship that has lasted many years.

、。

As a result of an investigation conducted over several months, the cause was identified.

。

This book is written covering many themes.

。

It is a tradition that has been passed down over many centuries.

References

Span ～にかけてにわたってimabi.org
にわたってBunpro