| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [vb infin] [pron] [vb infin] | 206 |
|
| 2 | [vb infin] let [pron] [vb infin] | 178 |
|
| 3 | could let [pron] [vb infin] | 75 |
|
| 4 | could [vb infin] let [pron] | 9 |
|
