| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] unless it is [vb pp] | 15 |
|
| 2 | [verb] unless it is [verb] | 15 |
|
| 3 | [vb pp] unless it is [verb] | 7 |
|
| 4 | [vb infin] unless it is [verb] | 5 |
|
