| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [vb infin] [vb pp] [prep] | 960 |
|
| 2 | could [vb infin] [vb pp] [prep] | 960 |
|
| 3 | [modal v] [vb infin] [vb pp] for | 476 |
|
| 4 | [vb mod] [vb infin] [vb pp] for | 476 |
|
| 5 | could [vb infin] [verb] for | 130 |
|
| 6 | could [verb] [vb pp] for | 93 |
|
| 7 | could [vb infin] [vb pp] for | 93 |
|
| 8 | could [vb infin] [vb pp] for | 93 |
|
