| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [vb infin] [pers pn] [adj] | 397 |
|
| 2 | [vb infin] [pers pn] [adj] time | 174 |
|
| 3 | could [vb infin] [adj] time | 41 |
|
