| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] [conj] [verb] | 14742 |
|
| 2 | [conj] could [verb] | 2363 |
|
| 3 | [v-ing] could [verb] | 40 |
|
| 4 | [v-ing] [conj] could | 33 |
|
