| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [verb] [pers pn] [was/were] [prep] [art] | 27 |
|
| 2 | could [verb] [pers pn] [be] [prep] [art] | 15 |
|
| 3 | could [verb] [pron] [was/were] [prep] [art] | 14 |
|
| 4 | could [verb] [pers pn] [was/were] [prep] [art] | 14 |
|
