Act vs Behave vs Conduct vs Execute vs Perform

Quando usar cada um em inglês, com significado, registro e exemplos.

Act

Top 1000 (muito comum) A2 verb

Behave

Top 1000 (muito comum) A2 verb

Conduct

Top 2000 (comum) B2 verb

Execute

Top 2000 (comum) C1 verb

Perform

Top 1000 (muito comum) A2 verb

	Act	Behave	Conduct	Execute	Perform
Pronúncia	🇬🇧 /["/ækt/","/ækts/","/ˈæktɪd/","/ˈæktɪŋ/"]/ 🇺🇸 /["/ækt/","/ækts/","/ˈæktɪd/","/ˈæktɪŋ/"]/	🇬🇧 /["/bɪˈheɪv/","/bɪˈheɪvz/","/bɪˈheɪvd/","/bɪˈheɪvɪŋ/"]/ 🇺🇸 /["/bɪˈheɪv/","/bɪˈheɪvz/","/bɪˈheɪvd/","/bɪˈheɪvɪŋ/"]/	🇬🇧 /["/kənˈdʌkt/","/kənˈdʌkts/","/kənˈdʌktɪd/","/kənˈdʌktɪŋ/"]/ 🇺🇸 /["/kənˈdʌkt/","/kənˈdʌkts/","/kənˈdʌktɪd/","/kənˈdʌktɪŋ/"]/	🇬🇧 /["/ˈeksɪkjuːt/","/ˈeksɪkjuːts/","/ˈeksɪkjuːtɪd/","/ˈeksɪkjuːtɪŋ/"]/ 🇺🇸 /["/ˈeksɪkjuːt/","/ˈeksɪkjuːts/","/ˈeksɪkjuːtɪd/","/ˈeksɪkjuːtɪŋ/"]/	🇬🇧 /["/pəˈfɔːm/","/pəˈfɔːmz/","/pəˈfɔːmd/","/pəˈfɔːmɪŋ/"]/ 🇺🇸 /["/pərˈfɔːrm/","/pərˈfɔːrmz/","/pərˈfɔːrmd/","/pərˈfɔːrmɪŋ/"]/
Significado	To do something or take action.	to act in a certain way, usually in a good way	To lead or manage something, like a project or an activity.	To carry out or perform a task or order.	to do something, especially in front of others
Exemplo	She decided to act in the school play this year.	You need to behave properly during the meeting.	The scientist will conduct an experiment to test the hypothesis.	The software will execute the commands as soon as they are entered.	She will perform a song at the concert tonight.
Registro	Neutro	Neutro	Neutro	Neutro	Neutro
Quão comum	Top 1000 (muito comum)	Top 1000 (muito comum)	Top 2000 (comum)	Top 2000 (comum)	Top 1000 (muito comum)
Nível CEFR	A2	A2	B2	C1	A2
Classe gramatical	verb	verb	verb	verb	verb
Colocações	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	impeccably, perfectly, well, according to, as if, as though, impeccably, perfectly, well, according to, as if, as though	independently, separately, jointly, honourably/​honorably, well, with dignity, as, in, well	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
Antônimos	ignore, neglect, refrain	misbehave, disobey, rebel	neglect, abandon	cancel, abort, neglect	neglect, ignore, abort
Erros comuns	'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.	Incorrectly using 'behave' as a noun., Using 'behave' without indicating how (e.g., 'behave well')., Confusing with 'misbehave' without context.	Confused with 'conduct' as a noun vs. verb., Incorrectly using it without an object, e.g., 'conduct a meeting' instead of just 'conduct'., Mixing up 'conduct' with similar verbs like 'perform' or 'carry out'.	'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
Notas de uso	Use 'act' in both formal and informal contexts when referring to behavior. Avoid using it in overly casual settings when describing serious actions.	Use 'behave' in contexts where actions are guided by rules or expectations, especially with children. It's neutral and appropriate in both casual and formal settings. Avoid using it in extremely informal or slang contexts.	Use ‘conduct’ in formal contexts, such as business or research. It is not suitable for casual conversations or informal writing.	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.

Perguntas frequentes: Act vs Behave vs Conduct vs Execute vs Perform

Qual é a diferença entre Act, Behave, Conduct, Execute e Perform?

Act: To do something or take action. Behave: to act in a certain way, usually in a good way Conduct: To lead or manage something, like a project or an activity. Execute: To carry out or perform a task or order. Perform: to do something, especially in front of others

Qual é mais avançada: Act, Behave, Conduct, Execute e Perform?

Execute é o nível mais alto, em C1, na escala CEFR.

Act, Behave, Conduct, Execute e Perform estão no mesmo nível CEFR?

Act: A2, Behave: A2, Conduct: B2, Execute: C1, Perform: A2 na escala CEFR.

Que classe gramatical são Act, Behave, Conduct, Execute e Perform?

Act: verb, Behave: verb, Conduct: verb, Execute: verb, Perform: verb.

Pode mostrar um exemplo de cada?

Act: She decided to act in the school play this year. Behave: You need to behave properly during the meeting. Conduct: The scientist will conduct an experiment to test the hypothesis. Execute: The software will execute the commands as soon as they are entered. Perform: She will perform a song at the concert tonight.

Posso usar Act, Behave, Conduct, Execute e Perform de forma intercambiável?

Nem sempre. Act, Behave, Conduct, Execute e Perform são relacionadas e às vezes se sobrepõem, mas diferem em registro, frequência e uso, então trocar uma pela outra pode mudar o sentido ou o tom. Veja as diferenças acima antes de substituir.