| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [vb pp] [conj] it [be] | 161 |
|
| 2 | [vb pp] [conj] [conj] it [be] | 102 |
|
| 3 | is [conj] [conj] it [be] | 45 |
|
| 4 | is [vb pp] [conj] [conj] it | 25 |
|
