| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [verb] [noun sg] | 4693 |
|
| 2 | it [vb -s] [noun sg] | 2824 |
|
| 3 | [pron] requires [noun sg] | 109 |
|
| 4 | it requires [noun] | 80 |
|
| 5 | it require [noun sg] | 62 |
|
