| Share | Phrase |
|---|
| 12.10% | lengthen life [perform operation] |
| 8.44% | lengthen time [perform operation] |
| 7.84% | lengthen duration [perform operation] |
| 7.43% | lengthen period [perform operation] |
| 6.53% | lengthen distance [perform operation] |
| 6.51% | lengthen strut [perform operation] |
| 5.23% | lengthen length [perform operation] |
| 4.29% | lengthen path [perform operation] |
| 4.23% | effectively [degree] lengthen |
| 3.70% | lengthen nose [perform operation] |
| 3.49% | lengthen chamber [perform operation] |
| 3.36% | lengthen width [perform operation] |
| 2.96% | lengthen discharge [perform operation] |
| 2.43% | lengthen interval [perform operation] |
| 2.36% | extension [does] lengthen |
| 2.12% | lengthen stroke [perform operation] |
| 2.06% | rotate [temporal] lengthen |
| 2.04% | lengthen arm [perform operation] |
| 1.98% | lengthen rod [perform operation] |
| 1.66% | time [does] lengthen |
| 1.60% | lengthen pipe [perform operation] |
| 1.38% | so [resume] lengthen |
| 1.38% | lengthen modal may |
| 1.21% | lengthen modal can |
| 1.05% | example [example] lengthen |
| 1.03% | lengthen modal would |
| 0.95% | substantially [degree] lengthen |
| 0.49% | not lengthen |