| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb past] signed [art] | 10 |
|
| 2 | it had signed [art] | 10 |
|
| 3 | it [vb past] signed a | 8 |
|
| 4 | it [vb past] signed a | 7 |
|
