| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | so it must be [verb] | 6 |
|
| 2 | so it must be [verb] | 6 |
|
| 3 | so it must [be] [verb] | 6 |
|
| 4 | so it must [be] [verb] | 6 |
|
| 5 | so it must have [verb] | 5 |
|
| 6 | so it must have [verb] | 5 |
|
| 7 | so it must [verb] [verb] | 5 |
|
| 8 | so it must [vb infin] [verb] | 5 |
|
| 9 | so it must [verb] [been] | 13 |
|
| 10 | so it must [verb] [be] | 13 |
|
| 11 | so it must [verb] been | 13 |
|
| 12 | so it must [verb] be | 13 |
|
| 13 | so it must [verb] [verb] | 5 |
|
| 14 | so it must [verb] [vb pp] | 5 |
|
