| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [vb pp] [adv prt] at the | 341 |
|
| 2 | could [be] [vb pp] at the | 45 |
|
| 3 | could [be] [vb pp] [adv prt] at | 15 |
|
| 4 | could [be] [vb pp] [adv prt] the | 8 |
|
