| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [verb] [noun] | 9319 |
|
| 2 | it [vb -s] [noun] | 5187 |
|
| 3 | [pron] requires [noun] | 161 |
|
| 4 | it require [noun] | 92 |
|
