| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [vb infin] [det] | 3310 |
|
| 2 | could help [vb infin] | 98 |
|
| 3 | help [vb infin] [det] | 78 |
|
| 4 | could help [det] | 5 |
|
