| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [adv] [vb infin] [art] [noun sg] | 1121 |
|
| 2 | which could [vb infin] [art] [noun sg] | 204 |
|
| 3 | which could [adv] [vb infin] [art] | 42 |
|
| 4 | which could [adv] [vb infin] [noun sg] | 16 |
|
