| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [pers pn] let [pron] [vb infin] | 36 |
|
| 2 | [pers pn] let [pron] [vb infin] [art] | 26 |
|
| 3 | could let [pron] [vb infin] [art] | 6 |
|
