| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | we [modal v] [verb] a [noun sg] | 1618 |
|
| 2 | [modal v] not [verb] a [noun sg] | 1091 |
|
| 3 | we [modal v] not [verb] [noun sg] | 104 |
|
| 4 | we [modal v] not [verb] a | 104 |
|
