| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] [modal v] [adv] [vb infin] [prep] | 300 |
|
| 2 | [det] could [adv] [vb infin] [prep] | 50 |
|
| 3 | [adj] could [adv] [vb infin] [prep] | 42 |
|
| 4 | [det] could [adv] [verb] [prep] | 36 |
|
