| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [adv] [vb infin] [art] [noun] | 1321 |
|
| 2 | they could [vb infin] [art] [noun] | 472 |
|
| 3 | they could [adv] [vb infin] [art] | 103 |
|
| 4 | they [adv] [vb infin] [art] [noun] | 43 |
|
| 5 | they could [adv] [vb infin] [noun] | 37 |
|
