| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [verb] [that] | 3909 |
|
| 2 | it is [vb pp] [that] | 3811 |
|
| 3 | it be understood [that] | 167 |
|
| 4 | it [be] understood [that] | 167 |
|
| 5 | it [is] understood [that] | 115 |
|
| 6 | it is understood [conj] | 114 |
|
| 7 | it is understand [that] | 111 |
|
| 8 | [pron] is understood [that] | 111 |
|
