| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could not [verb] [conj] | 915 |
|
| 2 | [modal v] not tell [conj] | 95 |
|
| 3 | [vb mod] not tell [conj] | 95 |
|
| 4 | could [adv] tell [conj] | 68 |
|
| 5 | could not tell [conj] | 61 |
|
