| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it [adv] serve [to-vb] | 8 |
|
| 2 | [coord] it [adv] serve [to-vb] | 6 |
|
| 3 | it [vb mod] [adv] serve [to-vb] | 10 |
|
| 4 | it [modal v] [adv] serve [to-vb] | 10 |
|
| 5 | it [adv] serve [to-vb] [pron] | 6 |
|
| 6 | it [adv] serve [to-vb] [art] | 6 |
|
| 7 | it [adv] serve [to-vb] [art] | 6 |
|
| 8 | it [adv] serve [to-vb] [noun] | 5 |
|
