| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [be] [vb pp] | 151916 |
|
| 2 | they [be] [vb pp] | 16854 |
|
| 3 | they [modal v] [be] | 11900 |
|
| 4 | they [modal v] [vb pp] | 10 |
|
