| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [vb pp] it [is] | 96 |
|
| 2 | is [vb pp] [is] [verb] | 96 |
|
| 3 | [vb pp] it [is] [verb] | 72 |
|
| 4 | is [vb pp] it [verb] | 57 |
|
| 5 | is it [is] [verb] | 21 |
|
