Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
they were doing
Grammar usage guide and real-world examplesUSAGE SUMMARY
'they were doing' is a grammatically correct and usable part of a sentence in written English.
It is used to refer to an ongoing action or activities in the past. For example: "When I saw them, they were doing their homework together."
✓ Grammatically correct
News & Media
Science
Formal & Business
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
56 human-written examples
"They were doing studies.
News & Media
They were doing both.
News & Media
"They were doing construction.
News & Media
"They were doing different things.
News & Media
They were doing God's work.
News & Media
"They were doing it themselves".
News & Media
They were doing 'theatre'theatre
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
4 human-written examples
They were done.
News & Media
They were done fifteen years ago.
News & Media
They are doing better".
News & Media
They're doing it".
News & Media
Expert writing Tips
Best practice
Use "they were doing" to describe ongoing actions or activities performed by a group in the past. Ensure the context clearly identifies who "they" refers to.
Common error
Avoid using "they were doing" without a clear antecedent for "they". Ensure the reader knows exactly who is being referred to; otherwise, rephrase to specify the group or individuals.
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "they were doing" functions as a past continuous verb phrase. It describes an ongoing action or activity that a group of people was engaged in at a specific time in the past. Ludwig AI confirms its correct and usable grammatical structure.
Frequent in
News & Media
79%
Science
10%
Formal & Business
6%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "they were doing" is a versatile and commonly used past continuous verb phrase that describes ongoing actions by a group in the past. Ludwig AI confirms its grammatical correctness and wide applicability. It is most frequently found in News & Media, but also appears in Science and Formal & Business contexts. When using this phrase, ensure clarity by providing a clear antecedent for "they" to avoid ambiguity. Alternatives include "they were performing", "they were engaged in", and "they were working on", offering nuanced ways to express similar meanings. Mastering "they were doing" enhances clarity and expressiveness in various writing and speaking scenarios.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
they were working on
Specifies that they were actively involved in a task or project that is in progress.
they were performing
Substitutes "doing" with "performing", suggesting a task or action carried out, often with a specific skill or purpose.
they were in the process of
Emphasizes that the action was ongoing and not yet completed.
they engaged in
Replaces "doing" with the more formal "engaged in", implying a deliberate participation in an activity.
they were undertaking
Uses "undertaking" instead of "doing", indicating a project or task that is being carried out.
they were conducting
Replaces "doing" with "conducting", implying a more formal or organized activity, like a study or experiment.
they carried out
Replaces the continuous tense with a simple past, emphasizing the completion of an action.
they were occupied with
Indicates that their time and attention were focused on a specific activity.
they busied themselves with
Suggests that they were actively keeping themselves busy with something.
they devoted themselves to
Indicates a strong commitment and dedication to the activity they were performing.
FAQs
How can I use "they were doing" in a sentence?
You can use "they were doing" to describe an ongoing action in the past involving a group of people. For example, "When I arrived, "they were doing" their homework".
What can I say instead of "they were doing"?
You can use alternatives like "they were performing", "they were engaged in", or "they were working on" depending on the context.
Is it correct to say "they was doing" instead of "they were doing"?
No, "they was doing" is grammatically incorrect. The correct form is ""they were doing"", as "they" is a plural pronoun and requires the plural form of the verb "to be" (were).
What's the difference between "they were doing" and "they did"?
"They were doing" describes an action that was in progress at a specific time in the past, while "they did" describes a completed action in the past. For example, "They were doing laundry when I called" implies the laundry was in progress. "They did laundry yesterday" indicates it's finished.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested