English version

act up

From Longman Dictionary of Contemporary Englishact up phrasal verb1 BEHAVEif children act up, they behave badly πŸ”Š He’s a tough kid and he acts up a lot.2 MIBROKENif a machine or part of your body acts up, it does not work properly πŸ”Š The computer is acting up again. β†’ actβ†’ See Verb table
Examples from the Corpus
act upβ€’ During his parents' divorce, Robert began acting up in class.
Act-UpˈAct-Up πŸ”Š πŸ”Š an organization in the US and the UK that demands more help and support for people with AIDS. It is known for its strong active protests against companies or government departments if they treat people with AIDS unfairly. It is also known as the AIDS Coalition to Unleash Power.
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Verb table
act
Simple Form
Present
I, you, we, theyact
he, she, itacts
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Past
I, you, he, she, it, we, theyacted
Present perfect
I, you, we, theyhave acted
he, she, ithas acted
Past perfect
I, you, he, she, it, we, theyhad acted
Future
I, you, he, she, it, we, theywill act
Future perfect
I, you, he, she, it, we, theywill have acted
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Continuous Form
Present
Iam acting
he, she, itis acting
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you, we, theyare acting
Past
I, he, she, itwas acting
you, we, theywere acting
Present perfect
I, you, we, theyhave been acting
he, she, ithas been acting
Past perfect
I, you, he, she, it, we, theyhad been acting
Future
I, you, he, she, it, we, theywill be acting
Future perfect
I, you, he, she, it, we, theywill have been acting
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