| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [vb infin] [prep] [art] [adj] | 925 |
|
| 2 | [vb infin] on [prep] [art] [adj] | 170 |
|
| 3 | could [vb infin] on [prep] [art] | 37 |
|
| 4 | could [vb infin] on [prep] [adj] | 23 |
|
| 5 | could [vb infin] on [art] [adj] | 10 |
|
