Cool MateAgo vs Previously
When to use each in English, with meaning, register, and examples.
Ago
Top 1,000 (very common)A1adverb
Previously
Top 2,000 (common)B1adverb
Most common: Ago
| Ago | Previously | |
|---|---|---|
| Pronunciation | 🇬🇧 /["/əˈɡəʊ/"]/🇺🇸 /["/əˈɡəʊ/"]/ | 🇬🇧 /["/ˈpriːviəsli/"]/🇺🇸 /["/ˈpriːviəsli/"]/ |
| Meaning | in the past; before now | Before now; earlier. |
| Example | two weeks/months/years ago | The building had previously been used as a hotel. |
| Register | Neutral | Neutral |
| How common | Top 1,000 (very common) | Top 2,000 (common) |
| CEFR level | A1 | B1 |
| Part of speech | adverb | adverb |
| Collocations | two years ago, just ago, long ago | previously mentioned, previously discussed, previously stated, previously introduced, previously reported |
| Antonyms | future | subsequently, afterwards |
| Common mistakes | Incorrectly using 'ago' with future events., Confusing 'ago' with 'since' when discussing past time., Omitting the time expression, e.g., saying 'I saw him ago.' | Using 'previous' instead of 'previously' in a sentence., Confusing 'previously' with 'currently' which means now., Misplacing 'previously' in a sentence and changing the meaning. |
| Usage notes | Use 'ago' to refer to a specific time in the past. It's typically used in informal and neutral contexts, but avoid using it in very formal writing or speeches. | Use 'previously' to connect past events with the present. It's suitable for both spoken and written contexts but may sound too formal in casual conversations. |
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Frequently asked questions: Ago vs Previously
What's the difference between Ago and Previously?
Ago: in the past; before now Previously: Before now; earlier.
Which is more common: Ago and Previously?
Ago is the most common in everyday English.
Which is more advanced: Ago and Previously?
Previously is the highest level, at B1, on the CEFR scale.
Are Ago and Previously the same CEFR level?
Ago: A1, Previously: B1 on the CEFR scale.
What part of speech are Ago and Previously?
Ago: adverb, Previously: adverb.
Can you show an example of each?
Ago: two weeks/months/years ago Previously: The building had previously been used as a hotel.
Can I use Ago and Previously interchangeably?
Not always. Ago and Previously 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.