| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [det] [conj] [pers pn] could | 44 |
|
| 2 | do [det] [conj] [pers pn] could | 16 |
|
| 3 | [vb past] [det] [conj] [pers pn] could | 14 |
|
| 4 | did [det] [conj] [pers pn] [modal v] | 7 |
|
| 5 | did [det] [conj] [pers pn] [vb mod] | 7 |
|
| 6 | did [det] [conj] [pron] could | 5 |
|
| 7 | did [det] [conj] [pers pn] could | 5 |
|
| 8 | did [adj] [conj] [pers pn] could | 5 |
|
