| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] has not been [prep] a | 8 |
|
| 2 | who has not been [prep] a | 5 |
|
| 3 | [Wh pn] has not been [prep] a | 5 |
|
| 4 | who has not been [prep] a | 5 |
|
| 5 | has not been [verb] [prep] a | 41 |
|
| 6 | has not been [vb pp] [prep] a | 38 |
|
| 7 | has not been use [prep] a | 5 |
|
| 8 | has not been used [prep] a | 5 |
|
| 9 | has not been [prep] a [adj] | 10 |
|
| 10 | has not been [prep] a [adj] | 9 |
|
