The Open Full-Form Lexicon of English
leapfrog - verb
| Infinitive | leapfrog |
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| 3rd person singular | leapfrogs |
| Past | leapfrogged |
| Past Participle | leapfrogged |
| Present Participle | leapfrogging |
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OFFLE The Open Full-Form Lexicon of English |
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leapfrog - verb
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