| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | up [prep] a [noun sg] | 3823 |
|
| 2 | sign [prep] a [noun sg] | 80 |
|
| 3 | sign up [prep] a | 42 |
|
| 4 | sign up [prep] [noun sg] | 21 |
|
