| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it must [vb infin] been [art] [adj] | 93 |
|
| 2 | it must [verb] been [art] [adj] | 93 |
|
| 3 | it must have been [art] [adj] | 93 |
|
| 4 | it must [verb] been [art] [adj] | 93 |
|
| 5 | it must have been [art] [adj] | 93 |
|
| 6 | it must [verb] been [art] [adj] | 78 |
|
| 7 | it must [verb] been a [adj] | 77 |
|
| 8 | it must [verb] been a [adj] | 71 |
|
| 9 | it must [verb] been the [adj] | 15 |
|
| 10 | it must [verb] been the [adj] | 15 |
|
| 11 | it must [verb] been an [adj] | 6 |
|
| 12 | it must [verb] been [art] [num ord] | 6 |
|
| 13 | it must [verb] been [art] terrible | 6 |
|
| 14 | it must [verb] been [art] terrible | 6 |
|
