| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] must have been [noun] [prep] | 18 |
|
| 2 | there must have been [noun] [prep] | 8 |
|
| 3 | [ex0] must have been [noun] [prep] | 8 |
|
| 4 | there must have been [noun] [prep] | 8 |
|
| 5 | [pers pn] must have been [noun] [prep] | 7 |
|
| 6 | it must have been [noun] [prep] | 6 |
|
| 7 | it must have been [noun] [prep] | 6 |
|
| 8 | must have been [art] [noun] [prep] | 111 |
|
| 9 | must have been [art] [noun] [prep] | 111 |
|
| 10 | must have been a [noun] [prep] | 81 |
|
| 11 | must have been a [noun] [prep] | 72 |
|
| 12 | must have been [adj] [noun] [prep] | 46 |
|
| 13 | must have been the [noun] [prep] | 30 |
|
| 14 | must have been the [noun] [prep] | 30 |
|
| 15 | must have been [det] [noun] [prep] | 22 |
|
| 16 | must have been [adj] [noun] [prep] | 18 |
|
| 17 | must have been some [noun] [prep] | 18 |
|
| 18 | must have been some [noun] [prep] | 18 |
|
| 19 | must have been [prep] [noun] [prep] | 16 |
|
| 20 | must have been [prep] [noun] [prep] | 16 |
|
| 21 | must have been [verb] [noun] [prep] | 14 |
|
| 22 | must have been [v-ing] [noun] [prep] | 12 |
|
| 23 | must have been in [noun] [prep] | 11 |
|
| 24 | must have been in [noun] [prep] | 11 |
|
| 25 | must have been an [noun] [prep] | 9 |
|
| 26 | must have been [num] [noun] [prep] | 6 |
|
| 27 | must have been [noun] [prep] [art] | 11 |
|
| 28 | must have been [noun] [prep] [art] | 11 |
|
| 29 | must have been [noun] [prep] the | 8 |
|
| 30 | must have been [noun] [prep] the | 8 |
|
