| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [adv] [vb infin] [adv] to | 142 |
|
| 2 | [adv] [vb infin] [adv] to be | 128 |
|
| 3 | could [adv] [vb infin] to be | 126 |
|
| 4 | could [vb infin] [adv] to be | 44 |
|
