| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must have been [art] [noun] | 277 |
|
| 2 | must have been [art] [noun] | 274 |
|
| 3 | must have been [art] [noun sg] | 266 |
|
| 4 | must have been a [noun] | 203 |
|
| 5 | must have been a [noun] | 181 |
|
| 6 | must have been the [noun] | 71 |
|
| 7 | must have been the [noun] | 71 |
|
| 8 | must have been an [noun] | 22 |
|
| 9 | must have been [art] bit | 10 |
|
| 10 | must have been [art] bit | 10 |
|
| 11 | must have been [art] time | 10 |
|
| 12 | must have been [art] shock | 10 |
|
| 13 | must have been [art] shock | 10 |
|
| 14 | must have been [art] time | 10 |
|
| 15 | must have been [art] lot | 8 |
|
| 16 | must have been [art] lot | 8 |
|
| 17 | must have been [art] [noun pl] | 6 |
|
| 18 | must have been [art] relief | 6 |
|
| 19 | must have been [art] relief | 6 |
|
| 20 | must have been [art] result | 5 |
|
| 21 | must have been [art] result | 5 |
|
