| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | if [pers pn] have never [vb pp] [adv] | 10 |
|
| 2 | if [pron] have never [vb pp] before | 6 |
|
| 3 | if [pron] had never [vb pp] [adv] | 5 |
|
