| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [modal v] [be] | 11900 |
|
| 2 | [modal v] [prep] [be] | 5048 |
|
| 3 | they [modal v] [prep] | 1072 |
|
| 4 | they [prep] [be] | 1025 |
|
