| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could [vb infin] [vb pp] a | 211 |
|
| 2 | [pers pn] could [vb infin] [vb pp] a | 189 |
|
| 3 | we [modal v] [vb infin] [vb pp] a | 132 |
|
| 4 | we [vb mod] [vb infin] [vb pp] a | 132 |
|
| 5 | we could [vb infin] [vb pp] [art] | 62 |
|
| 6 | we could [vb infin] [verb] a | 35 |
|
| 7 | we could [vb infin] [vb pp] a | 30 |
|
| 8 | we could [verb] [vb pp] a | 29 |
|
| 9 | we could [vb infin] [vb pp] a | 29 |
|
