| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] be [vb pp] [adv prt] | 6608 |
|
| 2 | could [verb] be [vb pp] | 1088 |
|
| 3 | could be [vb pp] [adv prt] | 756 |
|
| 4 | could [verb] [vb pp] [adv prt] | 298 |
|
| 5 | could [verb] be [adv prt] | 11 |
|
