| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [vb infin] a [noun] | 470 |
|
| 2 | [verb] [vb infin] a difference | 27 |
|
| 3 | [vb past] [verb] a difference | 9 |
|
| 4 | [vb past] [vb infin] [art] difference | 6 |
|
| 5 | [vb past] [vb infin] [art] difference | 6 |
|
| 6 | [vb past] [vb infin] a difference | 5 |
|
