| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is often [verb] that | 150 |
|
| 2 | it is often [vb pp] that | 150 |
|
| 3 | it is [adv] argued that | 75 |
|
| 4 | it is [adv] argued that | 73 |
|
| 5 | it [be] often argued that | 18 |
|
| 6 | it be often argued that | 18 |
|
| 7 | it is often argued that | 16 |
|
| 8 | it is often argued that | 16 |
|
| 9 | it [is] often argued that | 16 |
|
| 10 | [pron] is often argued that | 16 |
|
| 11 | it is often argued [that] | 16 |
|
| 12 | it is often argued [conj] | 16 |
|
| 13 | it is often argue that | 16 |
|
