| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [verb] for | 275 |
|
| 2 | [pron] is require for | 27 |
|
| 3 | it is require [prep] | 21 |
|
| 4 | it [be] require for | 10 |
|
| 5 | it be require for | 10 |
|
| 6 | it [is] require for | 9 |
|
