| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [vb infin] [pron] [v-ing] [prep] | 103 |
|
| 2 | [modal v] [vb infin] [pn reflx] [v-ing] [prep] | 76 |
|
| 3 | could [vb infin] [pn reflx] [verb] [prep] | 46 |
|
| 4 | could [vb infin] [pn reflx] [v-ing] [prep] | 23 |
|
| 5 | could [verb] [pn reflx] [v-ing] [prep] | 23 |
|
