| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [is] [adv] used [to-vb] | 25 |
|
| 2 | it [is] [adv] used [verb] | 25 |
|
| 3 | it is [adv] used [verb] | 24 |
|
| 4 | it [is] also used [verb] | 13 |
|
| 5 | it [is] often used [verb] | 6 |
|
