| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be of | 1653 |
|
| 2 | [vb mod] be of | 1653 |
|
| 3 | should be [prep] | 1402 |
|
| 4 | should [be] of | 127 |
|
| 5 | should be of | 127 |
|
