| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] they could not be | 13 |
|
| 2 | [adv] they could not be | 9 |
|
| 3 | [adv] they could not be | 7 |
|
| 4 | [adv] they could n't be | 6 |
|
