| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] up [prep] | 3405 |
|
| 2 | sign up [prep] | 228 |
|
| 3 | [pers pn] sign [prep] | 95 |
|
| 4 | [pers pn] sign up | 37 |
|
