| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could [conj] do [vb infin] | 17 |
|
| 2 | [pron] could [coord] [verb] [vb infin] | 17 |
|
| 3 | [pron] could [conj] [vb past] [vb infin] | 17 |
|
| 4 | [pron] could [conj] did [vb infin] | 17 |
|
| 5 | [pron] could and [verb] [vb infin] | 16 |
|
| 6 | [pers pn] could [conj] [verb] [vb infin] | 16 |
|
| 7 | [pron] could and [verb] [vb infin] | 16 |
|
| 8 | he could [conj] [verb] [vb infin] | 9 |
|
| 9 | he could [conj] [verb] [vb infin] | 9 |
|
