| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [vb infin] [pron] [prep] [det] | 174 |
|
| 2 | [vb infin] [pron] [prep] [det] time | 47 |
|
| 3 | could [vb infin] [prep] [det] time | 35 |
|
| 4 | could [vb infin] [pron] [det] time | 12 |
|
