| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not been [vb pp] for some [noun] | 8 |
|
| 2 | not [been] [vb pp] for some [noun sg] | 6 |
|
| 3 | not [been] [vb pp] for some time | 6 |
|
| 4 | not [been] [vb pp] for some time | 6 |
|
