| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it can [adv] [be] doubted that | 7 |
|
| 2 | it can [adv] [be] doubted that | 7 |
|
| 3 | [pron] can [adv] [be] doubted that | 7 |
|
| 4 | [pers pn] can [adv] [be] doubted that | 7 |
|
