| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] [verb] once | 112 |
|
| 2 | [Wh pn] have once | 103 |
|
| 3 | [Wh pn] [vb past] once | 102 |
|
| 4 | [Wh pn] 'd [adv] | 99 |
|
| 5 | [Wh pn] 'd [adv] | 98 |
|
| 6 | [pron] 'd once | 42 |
|
| 7 | [Wh pn] 'd once | 6 |
|
