| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [vb infin] [conj] [pron] was | 232 |
|
| 2 | [vb infin] [conj] [pron] was [prep] | 110 |
|
| 3 | could [vb infin] [pron] was [prep] | 25 |
|
| 4 | could [vb infin] [conj] [pron] [prep] | 6 |
|
