| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [verb] that | 5201 |
|
| 2 | is [vb pp] that | 4035 |
|
| 3 | be shown that | 445 |
|
| 4 | [be] shown that | 445 |
|
| 5 | is show that | 76 |
|
| 6 | is shown [conj] | 66 |
|
| 7 | [is] shown that | 34 |
|
