| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] once be | 411 |
|
| 2 | have once be | 403 |
|
| 3 | [vb past] once be | 387 |
|
| 4 | had once be | 375 |
|
| 5 | [pron] once be | 130 |
|
| 6 | [pers pn] once be | 100 |
|
| 7 | it once be | 46 |
|
| 8 | it once be | 46 |
|
| 9 | [adv] once be | 43 |
|
| 10 | [adv] once be | 37 |
|
| 11 | [prep] once be | 35 |
|
| 12 | [prep] once be | 35 |
|
| 13 | they once be | 30 |
|
| 14 | they once be | 30 |
|
| 15 | [conj] once be | 28 |
|
| 16 | at once be | 22 |
|
| 17 | at once be | 22 |
|
| 18 | [noun] once be | 18 |
|
| 19 | that once be | 18 |
|
| 20 | [that] once be | 18 |
|
| 21 | that once be | 18 |
|
| 22 | only once be | 17 |
|
| 23 | only once be | 17 |
|
| 24 | [Wh det] once be | 10 |
|
| 25 | for once be | 10 |
|
| 26 | [noun sg] once be | 10 |
|
| 27 | for once be | 10 |
|
| 28 | there once be | 9 |
|
| 29 | 'd once be | 9 |
|
| 30 | he once be | 9 |
|
