| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could not [verb] [prep] a | 87 |
|
| 2 | we [vb mod] not [verb] [prep] a | 34 |
|
| 3 | we [modal v] not [verb] [prep] a | 34 |
|
| 4 | we could [adv] [verb] [prep] a | 20 |
|
| 5 | we could not [verb] [prep] [art] | 16 |
|
| 6 | we could not [verb] [prep] [art] | 16 |
|
| 7 | we could not [verb] [prep] a | 9 |
|
| 8 | we could not [verb] [prep] a | 7 |
|
