| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [vb past] been in [noun] | 36 |
|
| 2 | which had [been] in [noun] | 36 |
|
| 3 | which [vb past] [been] in [noun sg] | 34 |
|
| 4 | which [vb past] [been] in force | 6 |
|
| 5 | which [vb past] [been] in force | 6 |
|
