| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [modal v] be | 4825 |
|
| 2 | [vb base] [modal v] be | 939 |
|
| 3 | do [modal v] be | 144 |
|
| 4 | do [modal v] [be] | 26 |
|
