| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they could [verb] [pers pn] | 364 |
|
| 2 | they [verb] [pers pn] [det] | 315 |
|
| 3 | could [verb] [pers pn] [det] | 239 |
|
| 4 | they could [verb] [det] | 163 |
|
