| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] been up [prep] | 40 |
|
| 2 | [vb -s] been sign [prep] | 28 |
|
| 3 | [vb -s] sign up [prep] | 18 |
|
| 4 | been sign up [prep] | 10 |
|
| 5 | [vb -s] been sign up | 8 |
|
