| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must be [prep] the | 255 |
|
| 2 | must be [prep] the | 255 |
|
| 3 | [vb mod] be to the | 112 |
|
| 4 | [modal v] be to the | 112 |
|
| 5 | must be to [art] | 17 |
|
| 6 | must be to [art] | 17 |
|
| 7 | must be to the | 13 |
|
| 8 | must [be] to the | 13 |
|
| 9 | must be to the | 13 |
|
| 10 | must be to the | 13 |
|
| 11 | must be to the | 13 |
|
| 12 | must [be] to the | 13 |
|
