The Open Full-Form Lexicon of English
perturb - verb
transitive
| Infinitive | perturb |
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| 3rd person singular | perturbs |
| Past | perturbed |
| Past Participle | perturbed |
| Present Participle | perturbing |
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OFFLE The Open Full-Form Lexicon of English |
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perturb - verbtransitive
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