| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they could [adv] be [vb pp] | 185 |
|
| 2 | [adv] could [adv] be [vb pp] | 101 |
|
| 3 | [adv] they could be [vb pp] | 52 |
|
| 4 | [adv] they could [adv] be | 16 |
|
| 5 | [adv] they [adv] be [vb pp] | 5 |
|
