| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [verb] [prep] a | 2948 |
|
| 2 | could [verb] [prep] a | 1099 |
|
| 3 | it could [verb] [prep] | 379 |
|
| 4 | it could [verb] a | 146 |
|
