| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] [verb] [pron] [prep] | 3763 |
|
| 2 | could [verb] [pron] [prep] | 1811 |
|
| 3 | could [vb infin] [pron] [prep] | 1806 |
|
| 4 | could [vb infin] [verb] [pron] | 1638 |
|
| 5 | could [vb infin] [verb] [prep] | 1241 |
|
