| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] [conj] [verb] [pron] [prep] | 302 |
|
| 2 | could [vb infin] [verb] [pron] [prep] | 266 |
|
| 3 | could [vb infin] [conj] [verb] [prep] | 128 |
|
| 4 | could [vb infin] [conj] [verb] [pron] | 118 |
|
| 5 | could [vb infin] [conj] [pron] [prep] | 6 |
|
