Cool MateAct vs Do what vs Execute vs Perform
When to use each in English, with meaning, register, and examples.
Act
Top 1,000 (very common)A2verb
Do what
Top 2,000 (common)
Execute
Top 2,000 (common)C1verb
Perform
Top 1,000 (very common)A2verb
| Act | Do what | Execute | Perform | |
|---|---|---|---|---|
| Pronunciation | 🇬🇧 /["/ækt/","/ækts/","/ˈæktɪd/","/ˈæktɪŋ/"]/🇺🇸 /["/ækt/","/ækts/","/ˈæktɪd/","/ˈæktɪŋ/"]/ | 🇬🇧 //duː wɒt//🇺🇸 //du wɑt// | 🇬🇧 /["/ˈeksɪkjuːt/","/ˈeksɪkjuːts/","/ˈeksɪkjuːtɪd/","/ˈeksɪkjuːtɪŋ/"]/🇺🇸 /["/ˈeksɪkjuːt/","/ˈeksɪkjuːts/","/ˈeksɪkjuːtɪd/","/ˈeksɪkjuːtɪŋ/"]/ | 🇬🇧 /["/pəˈfɔːm/","/pəˈfɔːmz/","/pəˈfɔːmd/","/pəˈfɔːmɪŋ/"]/🇺🇸 /["/pərˈfɔːrm/","/pərˈfɔːrmz/","/pərˈfɔːrmd/","/pərˈfɔːrmɪŋ/"]/ |
| Meaning | To do something or take action. | To take action or perform a task. | To carry out or perform a task or order. | to do something, especially in front of others |
| Example | She decided to act in the school play this year. | You should do what your teacher says to improve your grades. | The software will execute the commands as soon as they are entered. | She will perform a song at the concert tonight. |
| Register | Neutral | Neutral | Neutral | Neutral |
| How common | Top 1,000 (very common) | Top 2,000 (common) | Top 2,000 (common) | Top 1,000 (very common) |
| CEFR level | A2 | - | C1 | A2 |
| Part of speech | verb | verb | verb | |
| Collocations | at once, immediately, promptly, against, for somebody, on behalf of somebody, act as if, act in somebody’s best interests, act in good faith, at once, immediately, promptly, against, for somebody, on behalf of somebody, act as if, act in somebody’s best interests, act in good faith, brilliantly, well, badly, brilliantly, well, badly | do what you love, do what is necessary, do what you can, do what feels right, do what is asked | summarily, illegally, publicly, as, for, beautifully, boldly, brilliantly, duly executed, beautifully, boldly, brilliantly, duly executed | live, in public, publicly, first performed, rarely performed, see something performed, effectively, efficiently, properly, be able to, be unable to, be expected to, failure to perform something, admirably, beautifully, brilliantly, be able to, be unable to, be expected to |
| Antonyms | ignore, neglect, refrain | - | cancel, abort, neglect | neglect, ignore, abort |
| Common mistakes | 'Act' is sometimes confused with 'take action', which has a slightly different connotation., Learners often omit the preposition when using 'act on' phrases., 'Act' may be incorrectly used as a noun instead of a verb. | Used incorrectly as a question rather than a directive., Confused with 'do that' in similar contexts., Misused in formal writing where a more precise action verb is expected. | 'Execute' is often confused with 'prosecute'; remember they have different meanings., Learners may forget that 'execute' typically requires an object, e.g., 'execute a plan'., 'Execute' is sometimes incorrectly used in informal situations where simpler verbs would be more suitable. | Used incorrectly as 'performance' instead of 'perform', Confused with 'present', especially in a non-theatrical context, Using 'perform' without specifying what is being performed |
| Usage notes | Use 'act' in both formal and informal contexts when referring to behavior. Avoid using it in overly casual settings when describing serious actions. | Commonly used to indicate taking action or following instructions. Suitable in casual and formal contexts, though 'do what' can seem informal. | Use 'execute' in formal contexts, such as legal or technical situations. It may sound too rigid in everyday conversation; prefer simpler terms like 'do' or 'carry out' in casual settings. | Used in contexts such as theater, music, and tasks. Common in both informal and formal settings. Avoid when not discussing an action or task. |
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Frequently asked questions: Act vs Do what vs Execute vs Perform
What's the difference between Act, Do what, Execute, and Perform?
Act: To do something or take action. Do what: To take action or perform a task. Execute: To carry out or perform a task or order. Perform: to do something, especially in front of others
Which is more advanced: Act, Do what, Execute, and Perform?
Execute is the highest level, at C1, on the CEFR scale.
Can you show an example of each?
Act: She decided to act in the school play this year. Do what: You should do what your teacher says to improve your grades. Execute: The software will execute the commands as soon as they are entered. Perform: She will perform a song at the concert tonight.
Can I use Act, Do what, Execute, and Perform interchangeably?
Not always. Act, Do what, Execute, and Perform 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.