| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | because [pron] could [not/n't] [vb infin] | 394 |
|
| 2 | [conj] we could [not/n't] [vb infin] | 255 |
|
| 3 | because we [modal v] [not/n't] [vb infin] | 97 |
|
| 4 | [subord] we could [not/n't] [vb infin] | 67 |
|
| 5 | because we could [adv] [vb infin] | 19 |
|
| 6 | because we could [not/n't] [vb infin] | 17 |
|
| 7 | because we could [not/n't] [verb] | 17 |
|
