| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [verb] [adv] [prep] | 313 |
|
| 2 | it is [vb pp] [adv] [prep] | 264 |
|
| 3 | it be used [adv] [prep] | 39 |
|
| 4 | it [be] used [adv] [prep] | 39 |
|
| 5 | [pron] is used [adv] [prep] | 36 |
|
| 6 | it [is] used [adv] [prep] | 25 |
|
| 7 | it is used [adv] [prep] | 22 |
|
| 8 | it is use [adv] [prep] | 22 |
|
