| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [modal v] [be] [vb pp] [prep] | 2098 |
|
| 2 | [modal v] [be] [vb pp] [prep] [be] | 1153 |
|
| 3 | they [modal v] [be] [vb pp] [be] | 15 |
|
