| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [vb mod] be of | 65 |
|
| 2 | they [modal v] be of | 65 |
|
| 3 | they must be [prep] | 51 |
|
| 4 | they must be [prep] | 51 |
|
| 5 | [pron] must be of | 27 |
|
| 6 | [pers pn] must be of | 23 |
|
| 7 | they must be of | 7 |
|
| 8 | they must be of | 7 |
|
| 9 | they must be of | 7 |
|
| 10 | they must [be] of | 7 |
|
| 11 | they must [be] of | 7 |
|
| 12 | they must be of | 7 |
|
