| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [vb infin] [been] [prep] [det] | 26 |
|
| 2 | must [verb] [been] [prep] [det] | 26 |
|
| 3 | must [verb] been [prep] [det] | 26 |
|
| 4 | must have [been] [prep] [det] | 26 |
|
| 5 | must have [been] [prep] [det] | 26 |
|
| 6 | must [verb] [been] [prep] that | 8 |
|
| 7 | must [verb] [been] [prep] this | 8 |
|
| 8 | must [verb] [been] [prep] some | 6 |
|
| 9 | must [verb] [been] at [det] | 5 |
|
| 10 | must [verb] [been] in [det] | 5 |
|
| 11 | must [verb] [been] like [det] | 5 |
|
