| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] not let [pron] [vb infin] | 118 |
|
| 2 | could [adv] let [pron] [vb infin] | 45 |
|
| 3 | could [not/n't] let [pron] [vb infin] | 39 |
|
| 4 | could not let [pron] [vb infin] | 39 |
|
| 5 | could not [verb] [pron] [vb infin] | 20 |
|
| 6 | could not let [pron] [verb] | 15 |
|
