| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [vb infin] [adv] [noun sg] | 37 |
|
| 2 | could [verb] only [noun sg] | 14 |
|
| 3 | could [verb] both [noun sg] | 10 |
|
| 4 | could see [adv] [noun sg] | 5 |
|
| 5 | could see [adv] [noun sg] | 5 |
|
