| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] which must [verb] been [adj] | 11 |
|
| 2 | [noun sg] which must [verb] been [adj] | 9 |
|
| 3 | which must [verb] been [art] [adj] | 7 |
|
| 4 | which must [verb] been [art] [adj] | 7 |
|
| 5 | which must [verb] been a [adj] | 5 |
|
| 6 | which must [verb] been [adv] [adj] | 5 |
|
| 7 | which must [verb] been a [adj] | 5 |
|
| 8 | which must [verb] been [adv] [adj] | 5 |
|
| 9 | which must [verb] been [adj] [prep] | 10 |
|
| 10 | which must [verb] been [adj] [prep] | 10 |
|
