| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [adv] [vb infin] [art] [noun sg] | 1121 |
|
| 2 | [coord] could [vb infin] [art] [noun sg] | 157 |
|
| 3 | [coord] could [adv] [vb infin] [art] | 52 |
|
| 4 | [coord] could [adv] [vb infin] [noun sg] | 15 |
|
