| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [vb infin] [verb] [pers pn] | 1068 |
|
| 2 | [vb infin] [indef pn] [verb] [pers pn] | 286 |
|
| 3 | could [vb infin] [indef pn] [verb] | 125 |
|
| 4 | could [vb infin] [indef pn] [pers pn] | 31 |
|
| 5 | could [indef pn] [verb] [pers pn] | 13 |
|
