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English conjugation of the verb "to act up" in Present Simple Tense
Simple Forms

Basic Forms

  • Infinitive
  • to act up
  •  
  • Imperative
  • act up
  • let's act up
  • act up
  • Present Participle
  • acting up
  •  
  • Past Participle
  • acted up
  •  
Indicative:

Present

  • I act up
  • you act up
  • he/she/it acts up
  • we act up
  • you act up
  • they act up

Past

  • I acted up
  • you acted up
  • he/she/it acted up
  • we acted up
  • you acted up
  • they acted up

Compound Forms

Past Participle

  • having acted up
Indicative

Present continuous

  • I am acting up
  • you are acting up
  • he/she/it is acting up
  • we are acting up
  • you are acting up
  • they are acting up

Present perfect

  • I have acted up
  • you have acted up
  • he/she/it has acted up
  • we have acted up
  • you have acted up
  • they have acted up

Future

  • I will act up
  • you will act up
  • he/she/it will act up
  • we will act up
  • you will act up
  • they will act up

Future Perfect

  • I will have acted up
  • you will have acted up
  • he/she/it will have acted up
  • we will have acted up
  • you will have acted up
  • they will have acted up

Past continuous

  • I was acting up
  • you were acting up
  • he/she/it was acting up
  • we were acting up
  • you were acting up
  • they were acting up

Past perfect

  • I had acted up
  • you had acted up
  • he/she/it had acted up
  • we had acted up
  • you had acted up
  • they had acted up

Future continuous

  • I will be acting up
  • you will be acting up
  • he/she/it will be acting up
  • we will be acting up
  • you will be acting up
  • they will be acting up

Present perfect continuous

  • I have been acting up
  • you have been acting up
  • he/she/it has been acting up
  • we have been acting up
  • you have been acting up
  • they have been acting up

Past perfect continuous

  • I had been acting up
  • you had been acting up
  • he/she/it had been acting up
  • we had been acting up
  • you had been acting up
  • they had been acting up

Future perfect continuous

  • I will have been acting up
  • you will have been acting up
  • he/she/it will have been acting up
  • we will have been acting up
  • you will have been acting up
  • they will have been acting up

Basic Forms

  • Infinitive
  • not to act up
  •  
  • Imperative
  • do not act up
  • let's not act up
  • do not act up
  • Present Participle
  • not acting up
  •  
  • Past Participle
  • not acted up
  •  

Present

  • I do not act up
  • you do not act up
  • he/she/it does not act up
  • we do not act up
  • you do not act up
  • they do not act up

Past

  • I did not act up
  • you did not act up
  • he/she/it did not act up
  • we did not act up
  • you did not act up
  • they did not act up

Past Participle

  • not having acted up

Present continuous

  • I am not acting up
  • you are not acting up
  • he/she/it is not acting up
  • we are not acting up
  • you are not acting up
  • they are not acting up

Present perfect

  • I have not acted up
  • you have not acted up
  • he/she/it has not acted up
  • we have not acted up
  • you have not acted up
  • they have not acted up

Future

  • I will not act up
  • you will not act up
  • he/she/it will not act up
  • we will not act up
  • you will not act up
  • they will not act up

Future Perfect

  • I will not have acted up
  • you will not have acted up
  • he/she/it will not have acted up
  • we will not have acted up
  • you will not have acted up
  • they will not have acted up

Past continuous

  • I was not acting up
  • you were not acting up
  • he/she/it was not acting up
  • we were not acting up
  • you were not acting up
  • they were not acting up

Past perfect

  • I had not acted up
  • you had not acted up
  • he/she/it had not acted up
  • we had not acted up
  • you had not acted up
  • they had not acted up

Future continuous

  • I will not be acting up
  • you will not be acting up
  • he/she/it will not be acting up
  • we will not be acting up
  • you will not be acting up
  • they will not be acting up

Present perfect continuous

  • I have not been acting up
  • you have not been acting up
  • he/she/it has not been acting up
  • we have not been acting up
  • you have not been acting up
  • they have not been acting up

Past perfect continuous

  • I had not been acting up
  • you had not been acting up
  • he/she/it had not been acting up
  • we had not been acting up
  • you had not been acting up
  • they had not been acting up

Future perfect continuous

  • I will not have been acting up
  • you will not have been acting up
  • he/she/it will not have been acting up
  • we will not have been acting up
  • you will not have been acting up
  • they will not have been acting up
Indicative:

Present

  • do I act up ?
  • do you act up ?
  • does he/she/it act up ?
  • do we act up ?
  • do you act up ?
  • do they act up ?

Past

  • did I act up ?
  • did you act up ?
  • did he/she/it act up ?
  • did we act up ?
  • did you act up ?
  • did they act up ?
Indicative

Present continuous

  • am I acting up ?
  • are you acting up ?
  • is he/she/it acting up ?
  • are we acting up ?
  • are you acting up ?
  • are they acting up ?

Present perfect

  • have I acted up ?
  • have you acted up ?
  • has he/she/it acted up ?
  • have we acted up ?
  • have you acted up ?
  • have they acted up ?

Future

  • will I act up ?
  • will you act up ?
  • will he/she/it act up ?
  • will we act up ?
  • will you act up ?
  • will they act up ?

Future Perfect

  • will I have acted up ?
  • will you have acted up ?
  • will he/she/it have acted up ?
  • will we have acted up ?
  • will you have acted up ?
  • will they have acted up ?

Past continuous

  • was I acting up ?
  • were you acting up ?
  • was he/she/it acting up ?
  • were we acting up ?
  • were you acting up ?
  • were they acting up ?

Past perfect

  • had I acted up ?
  • had you acted up ?
  • had he/she/it acted up ?
  • had we acted up ?
  • had you acted up ?
  • had they acted up ?

Future continuous

  • will I be acting up ?
  • will you be acting up ?
  • will he/she/it be acting up ?
  • will we be acting up ?
  • will you be acting up ?
  • will they be acting up ?

Present perfect continuous

  • have I been acting up ?
  • have you been acting up ?
  • has he/she/it been acting up ?
  • have we been acting up ?
  • have you been acting up ?
  • have they been acting up ?

Past perfect continuous

  • had I been acting up ?
  • had you been acting up ?
  • had he/she/it been acting up ?
  • had we been acting up ?
  • had you been acting up ?
  • had they been acting up ?

Future perfect continuous

  • will I have been acting up ?
  • will you have been acting up ?
  • will he/she/it have been acting up ?
  • will we have been acting up ?
  • will you have been acting up ?
  • will they have been acting up ?
See also verbs with similar meaning: actact asact involuntarilyact onact outmore ...

Definitions:

  • -  Make itself felt as a recurring pain
  • -  Misbehave badly; act in a silly or improper way

Examples:

  • -  My arthritis is acting up again
  • -  The children acted up when they were not bored

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