| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] [vb pp] that [noun sg] | 68 |
|
| 2 | it is often [vb pp] that [noun sg] | 14 |
|
| 3 | it is [adv] known that [noun sg] | 13 |
|
| 4 | it is [adv] argued that [noun sg] | 11 |
|
| 5 | it is well [vb pp] that [noun sg] | 11 |
|
| 6 | it is generally [vb pp] that [noun sg] | 9 |
|
| 7 | it is [adv] said that [noun sg] | 8 |
|
| 8 | it is [adv] assumed that [noun sg] | 8 |
|
| 9 | it is sometimes [vb pp] that [noun sg] | 7 |
|
| 10 | it is [adv] recognized that [noun sg] | 7 |
|
| 11 | it is also [vb pp] that [noun sg] | 6 |
|
| 12 | it is [adv] claimed that [noun sg] | 5 |
|
| 13 | it is now [vb pp] that [noun sg] | 5 |
|
| 14 | it is [adv] believed that [noun sg] | 5 |
|
