| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] they [modal v] [not/n't] have [vb pp] | 6 |
|
| 2 | [vb base] they [modal v] [not/n't] [vb infin] [vb pp] | 6 |
|
| 3 | [vb base] they [modal v] [not/n't] have [vb pp] | 6 |
|
| 4 | [vb base] they [vb mod] [not/n't] [verb] [vb pp] | 6 |
|
