| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] signed up [prep] [art] [noun] | 7 |
|
| 2 | [vb base] sign up [prep] [art] [noun] | 7 |
|
| 3 | have sign up [prep] [art] [noun] | 6 |
|
| 4 | [vb base] sign up for [art] [noun] | 6 |
|
| 5 | [vb base] sign up [prep] the [noun] | 5 |
|
