| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] [adv] [adv] [subord] [verb] | 136 |
|
| 2 | could [vb infin] [adv] [adv] [subord] | 96 |
|
| 3 | could [vb infin] [adv] [adv] [verb] | 42 |
|
| 4 | could [vb infin] [adv] [subord] [verb] | 32 |
|
| 5 | could [vb infin] [adv] [subord] [verb] | 29 |
|
