| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [be] [verb] [prep] a | 1081 |
|
| 2 | could [be] [verb] [prep] a | 971 |
|
| 3 | they could [be] [verb] [prep] | 201 |
|
| 4 | they could [verb] [prep] a | 49 |
|
| 5 | they could [be] [prep] a | 5 |
|
