| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] could be | 6001 |
|
| 2 | could be [prep] | 912 |
|
| 3 | [pers pn] could [prep] | 816 |
|
| 4 | [pers pn] be [prep] | 290 |
|
