| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [not/n't] [verb] [art] first [noun] | 22 |
|
| 2 | [vb past] [not/n't] [vb infin] [art] first [noun] | 20 |
|
| 3 | [vb past] [not/n't] know [art] first [noun] | 7 |
|
| 4 | [vb past] [not/n't] know [art] first [noun] | 7 |
|
