| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] must have been [noun] | 78 |
|
| 2 | [pers pn] must have been [noun] | 53 |
|
| 3 | it must have been [noun] | 41 |
|
| 4 | it must have been [noun] | 41 |
|
| 5 | there must have been [noun] | 21 |
|
| 6 | [ex0] must have been [noun] | 21 |
|
| 7 | there must have been [noun] | 21 |
|
| 8 | [noun] must have been [noun] | 16 |
|
| 9 | [adj] must have been [noun] | 11 |
|
| 10 | [noun sg] must have been [noun] | 9 |
|
| 11 | [det] must have been [noun] | 9 |
|
| 12 | that must have been [noun] | 6 |
|
| 13 | that must have been [noun] | 6 |
|
| 14 | [adv] must have been [noun] | 5 |
|
| 15 | [adv] must have been [noun] | 5 |
|
| 16 | must [adv] have been [noun] | 5 |
|
| 17 | must [adv] have been [noun] | 5 |
|
| 18 | must have been [art] [noun] | 277 |
|
| 19 | must have been [art] [noun] | 277 |
|
| 20 | must have been a [noun] | 203 |
|
| 21 | must have been a [noun] | 181 |
|
| 22 | must have been [adj] [noun] | 120 |
|
| 23 | must have been the [noun] | 71 |
|
| 24 | must have been the [noun] | 71 |
|
| 25 | must have been [det] [noun] | 50 |
|
| 26 | must have been [adj] [noun] | 42 |
|
| 27 | must have been [prep] [noun] | 39 |
|
| 28 | must have been [prep] [noun] | 39 |
|
| 29 | must have been some [noun] | 34 |
|
| 30 | must have been some [noun] | 34 |
|
