| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] [adv] used [prep] | 18 |
|
| 2 | [pers pn] is [adv] [adv] used in | 9 |
|
| 3 | [pers pn] is [adv] widely used [prep] | 9 |
|
