| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [vb infin] [adv] [prep] [noun] | 395 |
|
| 2 | [vb infin] [vb pp] [adv] [prep] [noun] | 299 |
|
| 3 | could [vb infin] [vb pp] [adv] [prep] | 195 |
|
| 4 | could [vb infin] [vb pp] [prep] [noun] | 150 |
|
| 5 | could [vb infin] [vb pp] [adv] [noun] | 12 |
|
