| Share | Phrase |
|---|
| 35.01% | sometimes [temporal] refer |
| 12.73% | sometimes [temporal] call |
| 4.80% | sometimes desirable |
| 3.25% | sometimes difficult |
| 3.00% | sometimes [temporal] cause |
| 2.62% | sometimes [temporal] use |
| 2.49% | sometimes [temporal] occur |
| 2.45% | sometimes [temporal] know |
| 2.39% | sometimes [temporal] locate |
| 2.39% | sometimes [temporal] happen |
| 2.25% | sometimes [temporal] term |
| 2.02% | sometimes [temporal] become |
| 1.94% | sometimes [temporal] tertiary |
| 1.77% | sometimes [temporal] find |
| 1.59% | sometimes [temporal] lead |
| 1.57% | sometimes necessary |
| 1.52% | sometimes [temporal] require |
| 1.42% | sometimes possible |
| 1.37% | sometimes [temporal] damage |
| 1.35% | sometimes [temporal] desire |
| 1.29% | sometimes [temporal] arise |
| 1.24% | sometimes present |
| 1.18% | sometimes [temporal] it |
| 1.06% | sometimes [temporal] deteriorate |
| 1.04% | sometimes [temporal] make |
| 0.95% | sometimes [temporal] employ |
| 0.89% | sometimes [temporal] contain |
| 0.74% | sometimes [temporal] supply |
| 0.68% | sometimes [temporal] reach |
| 0.67% | sometimes [temporal] obtain |
| 0.65% | sometimes [temporal] have |
| 0.55% | sometimes [temporal] start |
| 0.50% | sometimes [temporal] provide |
| 0.45% | sometimes [temporal] increase |