| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] have not been [vb pp] [adv prt] | 8 |
|
| 2 | who have not been [vb pp] [adv prt] | 8 |
|
| 3 | [Wh pn] had not been [vb pp] [adv prt] | 5 |
|
