| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [det] [pers pn] could | 111 |
|
| 2 | do [det] [pers pn] could | 62 |
|
| 3 | [vb past] [det] [pers pn] could | 50 |
|
| 4 | did [det] [pers pn] [vb mod] | 43 |
|
| 5 | did [det] [pers pn] [modal v] | 43 |
|
| 6 | did [det] [pers pn] could | 36 |
|
| 7 | did [adj] [pers pn] could | 36 |
|
| 8 | did [det] [pron] could | 36 |
|
