| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [vb infin] [subord] the [noun sg] | 56 |
|
| 2 | could [vb infin] if the [noun sg] | 26 |
|
| 3 | could occur [subord] the [noun sg] | 6 |
|
| 4 | could [vb infin] whether the [noun sg] | 6 |
|
| 5 | could [vb infin] because the [noun sg] | 5 |
|
| 6 | could [vb infin] when the [noun sg] | 5 |
|
| 7 | could happen [subord] the [noun sg] | 5 |
|
