| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [vb pp] [prep] | 4737 |
|
| 2 | and is [vb pp] [prep] | 1935 |
|
| 3 | and it is [vb pp] | 602 |
|
| 4 | and it is [prep] | 473 |
|
