All these long years vs For a long time

When to use each in English, with meaning, register, and examples.

All these long years

Top 5,000 (fairly common)

For a long time

Top 2,000 (common)
Most common: For a long time
 All these long yearsFor a long time
Pronunciation🇬🇧 //ɔːl ðiz lɒŋ jɪəz//🇺🇸 //ɔl ðiz lɔŋ jɪrz//🇬🇧 //fɔː ə lɒŋ taɪm//🇺🇸 //fɔr ə lɔŋ taɪm//
MeaningA phrase indicating a long period of time, often reflecting on experiences.For a long period.
ExampleI have been waiting for this moment after all these long years.We've known each other for a long time.
RegisterNeutralNeutral
How commonTop 5,000 (fairly common)Top 2,000 (common)
Collocationsreflect on all these long years, after all these long years, cherish all these long years, remember all these long years, celebrate all these long yearswait for a long time, live for a long time, study for a long time, work for a long time, know for a long time
Common mistakesUsed too casually in formal writing., Inappropriately shortened to just 'long years'., Confused with 'all these years long'.Often used with 'since' incorrectly - 'for a long time since' instead of just 'for a long time'., Confused with 'for long' which has a slightly different meaning., Some learners omit 'a' and say 'for long time'.
Usage notesThis phrase is used often in reminiscing or reflecting on the past. Avoid using it in very formal contexts.Used in conversations and writing to indicate a significant duration. Avoid in formal writing if more specific time is needed.

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All these long years
For a long time

Frequently asked questions: All these long years vs For a long time

What's the difference between All these long years and For a long time?

All these long years: A phrase indicating a long period of time, often reflecting on experiences. For a long time: For a long period.

Which is more common: All these long years and For a long time?

For a long time is the most common in everyday English.

Can you show an example of each?

All these long years: I have been waiting for this moment after all these long years. For a long time: We've known each other for a long time.

Can I use All these long years and For a long time interchangeably?

Not always. All these long years and For a long time are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.