| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [vb pp] [conj] it [is] | 750 |
|
| 2 | [am/are] [vb pp] [conj] [pron] [is] | 111 |
|
| 3 | [am/are] [verb] [conj] it [is] | 93 |
|
| 4 | [am/are] [vb pp] [conj] it [be] | 61 |
|
