| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] have [verb] a | 1043 |
|
| 2 | have never [verb] a | 719 |
|
| 3 | [Wh pn] have never [verb] | 318 |
|
| 4 | [Wh pn] never [verb] a | 24 |
|
