| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it can [adv] [be] [verb] that | 245 |
|
| 2 | it can [adv] [be] [vb pp] that | 245 |
|
| 3 | it can [adv] [be] doubt that | 7 |
|
| 4 | [pron] can [adv] [be] doubted that | 7 |
|
| 5 | it can [adv] [be] doubted that | 7 |
|
| 6 | it [modal v] [adv] [be] doubted that | 7 |
|
| 7 | it can [adv] [be] doubted [conj] | 7 |
|
