| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must have been [art] [adj] [noun sg] | 228 |
|
| 2 | must have been [art] [adj] [noun] | 205 |
|
| 3 | must have been a [adj] [noun] | 176 |
|
| 4 | must have been the [adj] [noun] | 41 |
|
| 5 | must have been an [adj] [noun] | 23 |
|
| 6 | must have been [art] [num ord] [noun] | 11 |
|
| 7 | must have been [art] great [noun] | 11 |
|
| 8 | must have been [art] [adj] shock | 10 |
|
| 9 | must have been [art] [adj] sight | 10 |
|
| 10 | must have been [art] [adj] sight | 10 |
|
| 11 | must have been [art] [adj] shock | 10 |
|
| 12 | must have been [art] [adj -est] [noun] | 10 |
|
| 13 | must have been [art] great [noun] | 9 |
|
| 14 | must have been [art] big [noun] | 9 |
|
| 15 | must have been [art] [adj] time | 9 |
|
| 16 | must have been [art] [adj] time | 9 |
|
| 17 | must have been [art] big [noun] | 9 |
|
| 18 | must have been [art] [adj] experience | 8 |
|
| 19 | must have been [art] terrible [noun] | 8 |
|
| 20 | must have been [art] good [noun] | 8 |
|
| 21 | must have been [art] terrible [noun] | 8 |
|
| 22 | must have been [art] [num] [noun] | 8 |
|
| 23 | must have been [art] [adj] experience | 8 |
|
| 24 | must have been [art] [adj] man | 6 |
|
| 25 | must have been [art] [adj] man | 6 |
|
| 26 | must have been [art] [adj] disappointment | 5 |
|
| 27 | must have been [art] [adj] [noun pl] | 5 |
|
| 28 | must have been [art] good [noun] | 5 |
|
| 29 | must have been [art] [adj] disappointment | 5 |
|
| 30 | must have been [art] awful [noun] | 5 |
|
