| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [conj] it [verb] | 1071 |
|
| 2 | is [subord] [pron] [verb] | 659 |
|
| 3 | be [subord] it [verb] | 201 |
|
| 4 | [be] [subord] it [verb] | 201 |
|
| 5 | [is] [subord] it [verb] | 115 |
|
