| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] [verb] [pron] [verb] | 2255 |
|
| 2 | could [vb infin] [verb] [pron] | 1638 |
|
| 3 | could [verb] [pron] [verb] | 1319 |
|
| 4 | could [vb infin] [pron] [verb] | 1310 |
|
| 5 | could [vb infin] [verb] [verb] | 180 |
|
