| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] must [vb infin] be | 2055 |
|
| 2 | [pers pn] must [vb infin] be | 1623 |
|
| 3 | they [modal v] [vb infin] be | 931 |
|
| 4 | they [vb mod] [vb infin] be | 931 |
|
| 5 | they must [vb infin] be | 133 |
|
| 6 | they must [vb infin] be | 124 |
|
| 7 | they must [vb infin] [be] | 124 |
|
| 8 | they must [verb] be | 124 |
|
