| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had never [vb pp] before | 15 |
|
| 2 | have never seen before | 13 |
|
| 3 | have never [vb pp] before | 12 |
|
| 4 | 've never [vb pp] before | 6 |
|
| 5 | have never met before | 6 |
|
