| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it could [vb infin] [pron] [prep] [art] | 8 |
|
| 2 | it could [verb] [pron] [prep] [art] | 8 |
|
| 3 | it could [verb] [pron] [prep] [art] | 8 |
|
| 4 | it could [verb] [pron] [prep] [art] | 8 |
|
