| Present "quadruple" | I | quadruple | |
| Present Continuous "quadruple" | I | am quadrupling | |
| Simple past "quadruple" | I | quadrupled | |
| Past Continuous "quadruple" | I | was quadrupling | |
| Present perfect "quadruple" | I | have quadrupled | |
| Present perfect continuous "quadruple" | I | have been quadrupling | |
| Past perfect "quadruple" | I | had quadrupled | |
| Past perfect continuous "quadruple" | I | had been quadrupling | |
| Future "quadruple" | I | will quadruple | |
| Future continuous "quadruple" | I | will be quadrupling | |
| Future perfect "quadruple" | I | will have quadrupled | |
| Future perfect continuous "quadruple" | I | will have been quadrupling |