| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | before it is [vb pp] | 149 |
|
| 2 | before it is [verb] | 149 |
|
| 3 | [conj] it is used | 123 |
|
| 4 | [subord] it is used | 101 |
|
| 5 | before it be used | 10 |
|
| 6 | before it [be] used | 10 |
|
| 7 | before it [is] used | 7 |
|
| 8 | before [pron] is used | 7 |
|
| 9 | before it is used | 7 |
|
| 10 | before it is used | 7 |
|
| 11 | before it is use | 7 |
|
| 12 | before [pers pn] is used | 7 |
|
