| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [conj] it [verb] | 1071 |
|
| 2 | is [conj] [pron] [vb past] | 449 |
|
| 3 | be [conj] it [vb past] | 356 |
|
| 4 | [be] [conj] it [vb past] | 356 |
|
| 5 | [is] [conj] it [vb past] | 75 |
|
