| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could be [verb] [to-vb] [adv prt] the | 12 |
|
| 2 | could [be] [vb pp] [to-vb] [adv prt] the | 12 |
|
| 3 | could [be] [verb] [to-vb] up the | 6 |
|
