| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [vb infin] [pron] [prep] [adj] | 306 |
|
| 2 | it could [vb infin] [prep] [adj] | 71 |
|
| 3 | it could [vb infin] [pron] [adj] | 26 |
|
| 4 | it could [vb infin] [pron] [prep] | 23 |
|
| 5 | it [vb infin] [pron] [prep] [adj] | 8 |
|
