| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could be [verb] [prep] | 1637 |
|
| 2 | could be [verb] [prep] be | 170 |
|
| 3 | [pron] could [verb] [prep] be | 168 |
|
| 4 | [pron] could be [verb] be | 16 |
|
| 5 | [pron] be [verb] [prep] be | 7 |
|
