| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be [vb pp] at this | 90 |
|
| 2 | could be [vb pp] [prep] this | 87 |
|
| 3 | could be [vb pp] [prep] this | 87 |
|
| 4 | could be [vb pp] at [adj] | 76 |
|
| 5 | could be [vb pp] at this | 7 |
|
| 6 | could be [vb pp] at this | 7 |
|
| 7 | could be [verb] at this | 7 |
|
| 8 | could [be] [vb pp] at this | 7 |
|
| 9 | could [be] [vb pp] at this | 7 |
|
