English version

tamper with something

From Longman Dictionary of Contemporary Englishtamper with something phrasal verbDAMAGEto touch something or make changes to it without permission, especially in order to deliberately damage it He noticed that the instruments had been tampered with. I don’t see the point in tampering with a system that’s worked fine so far. tamper→ See Verb tableFrom Longman Business Dictionarytamper with something phrasal verb [transitive] to touch something or make changes to it without permission, especially in order to deliberately damage itSome of the packs may have been tampered with.The government does not want to tamper with an economy that is already healing itself. tamper→ See Verb table
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Verb table
tamper
Simple Form
Present
I, you, we, theytamper
he, she, ittampers
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Past
I, you, he, she, it, we, theytampered
Present perfect
I, you, we, theyhave tampered
he, she, ithas tampered
Past perfect
I, you, he, she, it, we, theyhad tampered
Future
I, you, he, she, it, we, theywill tamper
Future perfect
I, you, he, she, it, we, theywill have tampered
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Continuous Form
Present
Iam tampering
he, she, itis tampering
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you, we, theyare tampering
Past
I, he, she, itwas tampering
you, we, theywere tampering
Present perfect
I, you, we, theyhave been tampering
he, she, ithas been tampering
Past perfect
I, you, he, she, it, we, theyhad been tampering
Future
I, you, he, she, it, we, theywill be tampering
Future perfect
I, you, he, she, it, we, theywill have been tampering
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