| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [vb infin] [adv] [adv] [conj] [to-vb] | 40 |
|
| 2 | [modal v] [vb infin] [adv] [adv] [conj] [to-vb] | 40 |
|
| 3 | could [vb infin] [adv] [adv] [conj] [verb] | 22 |
|
| 4 | could [vb infin] [adv] [adv] [conj] [to-vb] | 6 |
|
| 5 | could [vb infin] [adv] [adv] [conj] [to-vb] | 5 |
|
| 6 | could [vb infin] [adv] [adv] [conj] [to-vb] | 5 |
|
| 7 | could [verb] [adv] [adv] [conj] [to-vb] | 5 |
|
