| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [verb] if [pers pn] could [vb infin] | 30 |
|
| 2 | [vb past] [to-vb] if [pers pn] could [vb infin] | 17 |
|
| 3 | [vb past] ask if [pers pn] could [vb infin] | 16 |
|
| 4 | [vb past] [verb] if he could [vb infin] | 13 |
|
| 5 | had [verb] if [pers pn] could [vb infin] | 9 |
|
| 6 | [vb past] asked if [pers pn] could [vb infin] | 8 |
|
| 7 | [vb past] to see if [pers pn] could [vb infin] | 8 |
|
| 8 | [vb past] [vb pp] if [pers pn] could [vb infin] | 8 |
|
| 9 | [vb past] see if [pers pn] could [vb infin] | 8 |
|
| 10 | wanted [verb] if [pers pn] could [vb infin] | 7 |
|
| 11 | [vb past] [verb] if i could [vb infin] | 7 |
|
