| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | and there must [verb] [been] [adj] | 5 |
|
| 2 | and there must [vb infin] [be] [adj] | 5 |
|
| 3 | and there must [verb] be [adj] | 5 |
|
| 4 | and there must have [be] [adj] | 5 |
|
| 5 | and there must [verb] been [adj] | 5 |
|
| 6 | and there must have [be] [adj] | 5 |
|
| 7 | and there must [verb] [be] [adj] | 5 |
|
