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
I was constructing
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "I was constructing" is correct and usable in written English.
It can be used when describing an action that was ongoing in the past, typically referring to building or creating something. Example: "I was constructing a model of the solar system for my science project."
✓ Grammatically correct
News & Media
Science
Wiki
Alternative expressions(20)
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
6 human-written examples
I was constructing my own utopia".
News & Media
"If you're asking me if I had a blank piece of paper and I was constructing an entire education system for this country, would I have independent schools as we have now?
News & Media
It may be all cosy in the Guardian offices when you are baking each other cakes, but out there in Bootle or the Dingle, as in when I was constructing the Liverpool Cake Circle last autumn, it can get quite confrontational.
News & Media
This replaced the theory of simple types which he developed in 1921, about which he wrote, "[E]ven as I as I was constructing my theory of types, I considered it to be only an inadequate stop-gap In 1922 I outlined a concept of semantical categories as a replacement for the hierarchy of types, which is quite unintuitive to me" (Collected Works, 421).
Science
I realized that everything I was constructing was also applicable to anyone, not just the addicted.
News & Media
Valence was building at the same time that his nephew Edward I was constructing his major castles in the north of Wales, and the concentric castle that he built at Goodrich is both very similar in design and a rarity in England itself.
Wiki
Human-verified similar examples from authoritative sources
Similar Expressions
54 human-written examples
As indicated in Eq. 1, each image frame (i) is constructed by integrating over the interval [t 1(i), t 2(i)].
Science
One order series, m i, is constructed to represent the sample accumulative number of x i > x j (1 ≤ j ≤ i).
However, the throughput provided by A i may exceed W i when the burst B i is constructed in an optimal block and thus, has an excellent MCSi.
A slack variable ξ i is constructed and the constraint condition is changed to: {y}_ileft({w}^T{x}_i+bright ge 1-{xi}_ikern1.25em i=1,cdots, n (3).
To construct θ from ϕ, for each i∈{1,2,…N}, transform any probabilistic atom P i ⋈α into P(φ i )⋈α, in which φ i is constructed from φ by replacing each A j by A (i−1)∗n+j.
Expert writing Tips
Best practice
Use "I was constructing" to describe an ongoing action in the past when you were in the process of building or creating something, emphasizing the duration of the activity. It is often useful in narratives to set the scene.
Common error
While grammatically correct, "I was constructing" may sound less direct than alternatives like "I built" or "I created" in formal writing. Choose the phrasing that best suits the tone and conciseness of your text. Consider the specific implications; "constructing" emphasizes the process.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "I was constructing" functions as a verb phrase in the past continuous tense. It describes an action of building or creating that was in progress at a specific time in the past. Ludwig AI examples illustrate its use in describing ongoing activities.
Frequent in
News & Media
30%
Science
30%
Wiki
10%
Less common in
Formal & Business
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "I was constructing" is a grammatically correct and usable English phrase that describes an ongoing action in the past, typically involving building or creating something. Ludwig AI confirms its validity and provides numerous examples across diverse contexts such as News & Media and Science. While alternatives like "I was building" or "I was creating" may be more common, "I was constructing" offers a specific nuance that emphasizes the duration and process of the activity. When writing, be mindful of the context and consider whether the emphasis on the ongoing action is appropriate, as it can occasionally sound less direct than simpler past tense forms.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
I was building
Replaces "constructing" with a more common synonym, "building".
I was creating
Uses "creating" to emphasize the act of bringing something into existence.
I was developing
Implies a more gradual and progressive creation or evolution.
I was assembling
Suggests putting together existing parts to form a whole.
I was fashioning
Conveys a sense of artistic or skillful creation.
I was fabricating
Can imply constructing something, sometimes with a negative connotation of deception, depending on context.
I was forming
Focuses on the initial stages of creation or development.
I was drafting
Suggests creating a preliminary version or outline.
I was erecting
Implies building something large or upright.
I was devising
Highlights the act of planning or inventing something.
FAQs
How can I use "I was constructing" in a sentence?
Use "I was constructing" to describe an action of building or creating that was in progress in the past. For example, "I was constructing a model airplane when I was a child".
What's the difference between "I was constructing" and "I built"?
"I was constructing" indicates an ongoing action in the past, emphasizing the process. "I built", on the other hand, suggests the action is completed. For instance, "I was constructing a house" focuses on the building process, while "I built a house" means the house is finished.
What can I say instead of "I was constructing"?
You can use alternatives like "I was building", "I was creating", or "I was assembling" depending on the context.
Is "I had been constructing" different from "I was constructing"?
Yes, "I had been constructing" is in the past perfect continuous tense, indicating an action that started before another point in the past and continued until that point. "I was constructing" is in the past continuous tense, indicating an action in progress at a specific time in the past.
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
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested