| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | sign up for a [noun] | 20 |
|
| 2 | sign [adv prt] for a [noun] | 18 |
|
| 3 | sign [adv prt] for a [noun sg] | 16 |
|
| 4 | signed [adv prt] for a [noun] | 7 |
|
| 5 | to sign [adv prt] for a [noun] | 5 |
|
