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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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and lastly when

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "and lastly when" is not correct in standard written English.
It seems to be an attempt to combine two ideas, but it lacks clarity and proper structure. Example: "We discussed the main points, and lastly when we consider the timeline, we need to act quickly."

⚠ May contain grammatical issues

Science

News & Media

Encyclopedias

Human-verified examples from authoritative sources

Exact Expressions

6 human-written examples

It was most likely jostled on the rocky road from the kitchen, up the service elevator and, lastly, when the cart smashed against the door frame on its way into your room.

News & Media

The New York Times

And lastly, when you apply a filter, a copy of the filtered image will now be saved to an Instagram album instead of your camera roll.

News & Media

TechCrunch

And lastly, when you finally find some time to fit research into your schedule, the media is going to get excited and will come knocking on your door for an interview.

Science & Research

Science Magazine

When geometry and related styles must be divided, the representation level fulfills the task most properly (Fig. 5c), and lastly, when also parts of shapes should be shared amongst a multitude of representations, the item level should be considered (Fig. 5d).

I have doubled my exercise schedule; and lastly, when I drink scotch I take sips of it, neat like a medicine (which of course it is!) and I feel and behave better too -- some say?

News & Media

Huffington Post

All foals were observed at four stages: (1) during their early postnatal period, (2) when they were 6 months old and still with their mothers, (3) at weaning, (4) and lastly when they were 1 year old, a prepubertal stage in horses.

Science

Plosone

Human-verified similar examples from authoritative sources

Similar Expressions

53 human-written examples

Lastly, when both parents and adult children are economically well off, the gains from economic resource sharing fail to offset the opportunity cost of coresidence and the call to provide family support loses its urgency, leading to the lowest possibility of coresidence.

Lastly, when considering Mn, Fe, and Co, with 1, 2 to 3 magnetic moment per atom, respectively, our 5 × 5 atomic cell model provides spin distribution of the three elements that becomes less localized as atomic number increases.

Lastly, when both position 111 and 122 were mutated in the same clone, ouabain resistance was higher than when a single mutation was present [36].

Science

Plosone

Lastly, when designing the study and planning for data collection, we deliberately chose the most appropriate time of the year in order to avoid the harvest period and thus facilitate the participation of the study subjects.

Positive displacement compressors are usually of the reciprocating piston type, in which the gas is drawn in during the suction stroke of the piston, compressed by decreasing the volume of the gas by moving the piston in the opposite direction, and, lastly, discharged when the gas pressure exceeds the pressure acting on the outlet valve.

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Expert writing Tips

Best practice

Avoid using the phrase "and lastly when" in formal writing. Instead, use "finally when" or "lastly when" for better clarity and grammatical correctness. These alternatives clearly signal the final point in a sequence.

Common error

Avoid combining sequential markers unnecessarily. The phrase "and lastly when" can be redundant. Streamline your writing by choosing the clearest and most direct way to express sequential information. For instance, you may opt to write, "Lastly, consider the timeline...".

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

81%

Authority and reliability

2.8/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "and lastly when" attempts to function as a sequential marker combined with a conditional clause. However, Ludwig AI identifies it as grammatically incorrect. It tries to introduce the final item in a list while also setting a condition, but the combination is awkward.

Expression frequency: Uncommon

Frequent in

Science

50%

News & Media

35%

Encyclopedias

15%

Less common in

Formal & Business

0%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

In summary, the phrase "and lastly when" is flagged by Ludwig AI as grammatically incorrect. While it appears across various contexts, including Science and News & Media, its use is discouraged in formal writing. Alternatives such as "finally when" or rephrasing the sentence are recommended for improved clarity. The phrase attempts to combine sequencing with a conditional clause, but it often leads to awkward sentence structures. For clearer and more effective communication, it's best to opt for grammatically sound alternatives.

FAQs

How can I correctly use "lastly" in a sentence that involves a condition?

You can use "lastly when" or "finally when" to introduce a final condition. For example, "Finally, "when all data is collected", we will proceed with the analysis."

What are some alternatives to the phrase "and lastly when"?

Alternatives include "finally when", "in conclusion when", or structuring the sentence to avoid the combined phrasing altogether.

Is "and lastly when" grammatically correct?

According to Ludwig AI, "and lastly when" is not considered standard English. It's better to use "finally when" or rephrase the sentence for clarity.

How does using "finally when" instead of "and lastly when" improve clarity?

Using "finally when" directly signals that you are introducing the last point, avoiding the conjunction "and", which can make the sentence structure less clear.

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Source & Trust

81%

Authority and reliability

2.8/5

Expert rating

Real-world application tested

Most frequent sentences: