| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it could be [verb] [prep] a | 66 |
|
| 2 | it could [be] [verb] [prep] a | 66 |
|
| 3 | it could [be] [verb] [prep] a | 66 |
|
| 4 | it could be [verb] [prep] a | 66 |
|
| 5 | it could [be] [vb pp] [prep] a | 65 |
|
| 6 | it could [be] [verb] as a | 30 |
|
| 7 | it could [be] use [prep] a | 12 |
|
| 8 | it could [be] used [prep] a | 12 |
|
| 9 | it could [be] [verb] to a | 8 |
|
| 10 | it could [be] [verb] by a | 6 |
|
