Cool MateAt the same time vs While I'm doing this
When to use each in English, with meaning, register, and examples.
At the same time
Top 2,000 (common)
While I'm doing this
Beyond 10,000 (less common)
Most common: At the same time
| At the same time | While I'm doing this | |
|---|---|---|
| Pronunciation | 🇬🇧 //æt ðə seɪm taɪm//🇺🇸 //æt ðə seɪm taɪm// | 🇬🇧 //waɪl aɪm ˈduːɪŋ ðɪs//🇺🇸 //waɪl aɪm ˈduɪŋ ðɪs// |
| Meaning | Occurring simultaneously or together. | At the same time as I am doing this |
| Example | They left the house at the same time. | While I'm doing this, could you please finish the report? |
| Register | Neutral | Neutral |
| How common | Top 2,000 (common) | Beyond 10,000 (less common) |
| Collocations | do two things at the same time, speak at the same time, work at the same time, occur at the same time, feel at the same time | think while I'm doing this, feel free while I'm doing this, remember while I'm doing this |
| Common mistakes | Confusing 'at the same time' with 'at the same moment'., Using it with only one subject., Placing it incorrectly in the sentence. | Confusing with 'while doing this' which has a slightly different emphasis., Using in overly formal contexts where simpler phrases would suffice. |
| Usage notes | Use when describing events happening together. Avoid in very formal contexts; more suitable for everyday conversations. | Used to indicate concurrent actions. Suitable for casual conversation and informal writing but can also be used in semi-formal contexts. |
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Frequently asked questions: At the same time vs While I'm doing this
What's the difference between At the same time and While I'm doing this?
At the same time: Occurring simultaneously or together. While I'm doing this: At the same time as I am doing this
Which is more common: At the same time and While I'm doing this?
At the same time is the most common in everyday English.
Can you show an example of each?
At the same time: They left the house at the same time. While I'm doing this: While I'm doing this, could you please finish the report?
Can I use At the same time and While I'm doing this interchangeably?
Not always. At the same time and While I'm doing this 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.