| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who has [verb] a | 314 |
|
| 2 | who has [vb pp] a | 300 |
|
| 3 | [pron] has signed a | 29 |
|
| 4 | who [verb] signed a | 7 |
|
| 5 | who have signed a | 7 |
|
| 6 | who has signed [art] | 6 |
|
| 7 | who has sign a | 5 |
|
| 8 | who [vb -s] signed a | 5 |
|
| 9 | who has signed a | 5 |
|
| 10 | [Wh pn] has signed a | 5 |
|
