| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] used | 600 |
|
| 2 | it be used | 600 |
|
| 3 | it [is] used | 365 |
|
| 4 | it is used | 333 |
|
| 5 | it [was/were] used | 205 |
|
| 6 | it was used | 202 |
|
| 7 | it 's used | 32 |
|
| 8 | it be used | 11 |
|
| 9 | it [be] used | 11 |
|
| 10 | it [being] used | 10 |
|
| 11 | it being used | 10 |
|
| 12 | it [am/are] used | 9 |
|
| 13 | it be used | 8 |
|
