| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | instrument which [vb base] [been] [vb pp] | 5 |
|
| 2 | instrument which [vb base] be [vb pp] | 5 |
|
| 3 | instrument which [vb base] been [vb pp] | 5 |
|
| 4 | instruments which [vb base] [be] [vb pp] | 5 |
|
| 5 | instrument which have [be] [vb pp] | 5 |
|
